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iMac (Intel-based)
iMac (2020)
DeveloperApple Inc.
TypeAll-in-one
Release dateJanuary 10, 2006; 18 years ago (2006-01-10) (original model)
August 4, 2020; 4 years ago (2020-08-04) (last model)
DiscontinuedApril 20, 2021; 3 years ago (2021-04-20) (Retina 4K 21.5-inch)
October 30, 2021; 3 years ago (2021-10-30) (21.5 inch)
March 8, 2022; 2 years ago (2022-03-08) (27-inch)
Operating systemmacOS
CPUIntel Core i3, i5, i7, i9
Intel Core Duo (original model)
PredecessoriMac G5
eMac
SuccessoriMac (Apple silicon)
RelatedMac Mini
Mac Pro
iMac Pro

The iMac is a series of all-in-one desktop computers designed, manufactured, and sold by Apple Inc. Between 2006 and 2022, the iMac series used chipsets based on Intel architecture. While sold, it was one of three desktop computers in the Mac lineup, serving as an all-in-one alternative to the Mac Mini, and sat below the performance range Mac Pro. It was sold alongside a higher-end, Xeon-based iMac Pro from 2017 to 2021.

The earliest Intel iMacs reused the same white polycarbonate enclosure as the iMac G5. Later models shifted to aluminum and plastic, and then a unibody aluminum case. The iMacs released after October 2012 also featured a much thinner display, with the edge measuring just 5 mm. This design would persist until the line was discontinued.

As part of the Mac transition to Apple's own processors, the Intel-based iMac was succeeded by the Apple silicon iMac beginning in 2021. Apple discontinued the 21.5-inch Intel iMacs the same year, with the 27-inch model discontinued in March 2022, following the announcement of the Mac Studio and 27-inch Apple Studio Display.[1]

Overview

[edit]

The iMac is an all-in-one personal computer. The machine has an integrated Liquid-crystal display (LCD), with the computer components integrated either behind the screen or below it in a "chin". An L-shaped aluminum foot allows the screen to be tilted but does not offer height adjustment. Ports for connecting peripherals are located on the bottom edge of the computer; an optical drive is located along the right edge of certain models. If wireless peripherals are used, the iMac's only cable is the power cord routed through the back.

On June 22, 2020, Apple's Worldwide Developer Conference keynote included the announcement that future Macintosh computers would transition yet again to Apple's own ARM-based system-on-chips;[2] in April 2021, Apple unveiled a redesigned iMac based on its M1 system-on-chip.[3]

Models

[edit]

White (2006)

[edit]
A 17-inch iMac

At the Macworld Conference and Expo on January 10, 2006, Steve Jobs announced that the new iMac would be the first Macintosh to use an Intel processors. The introduction of the new iMac alongside the MacBook Pro was the start of the Mac transition to Intel processors, six months earlier than the timetable Apple established.[4] It retained the look and features of the preceding iMac G5, with a white plastic enclosure less than 1.5 inches (3.8 cm) at its thinnest edge. It also shipped at the same price points. The first Intel iMac featured an Intel Core Duo processor and PCI Express graphics processing units (GPUs). Like the iSight revision of the iMac G5, the machine was not designed to be user-serviced, and almost all components are difficult to access; the exception are the random-access memory slots, which are found on the bottom of the machine.[4][5][6] One update from the iMac G5 was the addition of a Mini-DVI port that allowed for extending the computer contents to a second monitor versus mirroring the image.[7]

In early February 2006, Apple confirmed reports of video display problems on the new Intel-based iMacs. When playing video on Apple's Front Row media browser, some 20-inch iMacs (those built-to-order with upgraded video cards) showed random horizontal lines, ghosting, video tearing and other problems. The problem was fixed with a software update.[citation needed]

An education-only model of the iMac shipped in July 2006 that replaced the eMac in Apple's lineup. This model came with a lower starting price, but had a smaller hard drive, integrated graphics processor, and a combo optical drive rather than the SuperDrives on other iMacs.[8] The entire iMac lineup was refreshed with a Core 2 Duo chip and a lower price in September 2006.[9] Apple added a new 24-inch model with an IPS panel display and a resolution of 1920 × 1200 (WUXGA), making it the first iMac to be able to display 1080p content in its full resolution, and a VESA Flat Display Mounting Interface.[citation needed]

These early iMacs were generally praised, with Walt Mossberg writing that the Intel-based iMac remained the best desktop personal computer available.[6][10] Performance depended on the software; PCMag and others found that software unoptimized for Intel processors ran slowly, especially games that were already poorly optimized for the Mac.[7] Macworld recommended potential buyers hold off until there was more software for Intel machines.[11] Other criticisms included the low amount of starting memory, lack of user-serviceability, and the chin, which Anand Lal Shimpi called "bottom-heavy".[6][5]

Specifications of Polycarbonate iMacs

[edit]

According to Apple, all of these models are obsolete.[a][12]

Model Early 2006[13] Mid 2006[14] Late 2006[15]
Component / processor model Yonah Intel Core Duo Merom Intel Core 2 Duo
Release date January 10, 2006; 18 years ago (2006-01-10)[16] July 5, 2006; 18 years ago (2006-07-05)[17] September 6, 2006; 18 years ago (September 6, 2006)[18]
Discontinued September 2006; 18 years ago (September 2006)[19] September 6, 2006; 18 years ago (September 6, 2006)[20] August 7, 2007; 17 years ago (August 7, 2007)[2][3][21]
Model number A1173 A1174 A1195 A1208 A1207 A1200
Model identifier[22] iMac4,1 iMac4,2 iMac5,2 iMac5,1 iMac6,1
Apple order no.[23][24][22] MA199 MA200 MA406 MA710 MA590 MA589 MA456
Enclosure White polycarbonate
Display 17-inch 1440 × 900 20-inch 1680 × 1050 17-inch 1440 × 900 20-inch, 1680 × 1050 24-inch 1920 × 1200 IPS
Widescreen 16:10, matte display
Processor 1.83 GHz (T2400 Yonah) Intel Core Duo
2 MB L2 cache 		2.0 GHz (T2500 Yonah) Intel Core Duo
2 MB L2 cache 		1.83 GHz (T2400 Yonah) Intel Core Duo
2 MB L2 cache 		1.83 GHz (T5600 Merom) Intel Core 2 Duo

2 MB L2 cache

2 GHz (T7200 Merom) Intel Core 2 Duo

4 MB L2 cache

2.16 GHz (T7400 Merom) Intel Core 2 Duo 4 MB L2 cache
— Optional: 2.16 GHz (T7400 Merom) Intel Core 2 Duo Optional: 2.33 GHz (T7600 Merom) Intel Core 2 Duo
System bus 667 MHz front-side bus
Memory 667 MHz PC2-5300 DDR2 SO-DIMM SDRAM
512 MB single SO-DIMM, one slot free
Optional: 2 GB 		512 MB (2× 256 MB) or 1 GB (2× 512 MB)
Optional: 4 GB (3 GB usable)
Video card ATI Radeon X1600 with 128 MB GDDR3 SDRAM Intel GMA 950 with 64 MB shared memory ATI Radeon X1600 with 128 MB GDDR3 SDRAM Nvidia GeForce 7300 GT with 128 MB GDDR3 SDRAM
— Optional: 256 MB — — — Optional: 256 MB Optional: 7600 GT with 256 MB
Storage / Hard drive 160 GB
Optional: 250 GB 		250 GB
Optional: 500 GB 		160 GB
Optional: 250 GB 		160 GB 160 GB
Optional: 250, 500 GB 		250 GB
Optional: 500 GB
Serial ATA 7200 rpm
Optical drive Slot-loading 8× SuperDrive with 2.4× DL recording (DVD+R DL, DVD±RW, CD-RW) 24× combo drive (DVD-ROM, CD-RW) SuperDrive
Connectivity Internal AirPort Extreme 802.11a/b/g
Gigabit Ethernet
Apple Remote infrared receiver
Bluetooth 2.0 + EDR (except late 2006 1.83 GHz) 		Internal Airport Extreme 802.11a/b/g (draft-n disabled by default)
Gigabit Ethernet
Apple Remote infrared receiver
Bluetooth 2.0 + EDR
Camera iSight camera (640 × 480, 0.3 MP)
Video out Mini-DVI
Peripherals 3× USB 2.0
2× FireWire 400
Headphone/digital audio output
Audio line-in 		3× USB 2.0
2× FireWire 400
Headphone/digital audio output
Audio line-in/digital audio input 		3× USB 2.0
1× FireWire 400
1× FireWire 800
Headphone/digital audio output
Audio line-in/digital audio input
Weight 15.5 lbs (7 kg) 22 lbs (10 kg) 15.5 lbs (7 kg) 22 lbs (10 kg) 24.7 lbs (11.2 kg)
Minimum operating system Mac OS X 10.4 Tiger
Maximum operating system Mac OS X 10.6 Snow Leopard if 1 GB RAM installed, otherwise Mac OS X 10.5 Leopard Mac OS X 10.7 Lion if 2 GB RAM installed, otherwise Mac OS X 10.6 Snow Leopard.
Unofficially, OS X 10.11 El Capitan can be installed by modifying the EFI[25] with third-party programs.[26]
Microsoft Windows 10 (32 bit) Microsoft Windows 10 (32 and 64 bit)
Windows 11 unofficially

Aluminum (2007–2009)

[edit]
24-inch Aluminum iMac

In August 2007, Apple introduced a complete redesign of the iMac, featuring an aluminum, glass and plastic enclosure.[27] It has a black, plastic backplate that is not user-removable. The 17-inch model was completely removed from the lineup, and it was available only in 20-inch and 24-inch models.[28] The 24-inch model's display has better contrast and color conformity over a wide range of viewing angles.[28] There is only one visible screw on the entire computer, located at the base of the iMac for accessing the memory slots. A plastic model from the previous generation remained as an option for education buyers.[29]

In March 2009, Apple released a minor refresh of the iMac line. Changes included a fourth USB port, replacement of two FireWire 400 ports with one FireWire 800 port, replacement of mini-DVI with Mini DisplayPort, and a slightly redesigned base which is vertically thinner. Otherwise, the exterior design is almost identical to the 2007 and 2008 models. The models were one 20-inch configuration and three 24-inch configurations (instead of two at each screen size as before).[30]

Apple doubled the default RAM and hard-disk size on all models, moving the RAM to the DDR3[31] specification. This revision also introduced a new, smaller, and more compact Apple Keyboard that excluded the numeric keypad and forward delete key in favor of the fn + Delete keyboard shortcut by default.[32][33] Users could, however, replace this version with a more traditional, full-size model with a numeric keypad by requesting Apple to build their machine to order through its online store.

Specifications of Aluminum iMacs

[edit]

According to Apple, all of these models are obsolete.[a][12]

Model Mid 2007[31] Early 2008[34] Early 2009[35] Mid 2009 (education only)[36]
Component / processor model Merom Intel Core 2 Duo Penryn Intel Core 2 Duo
Released August 7, 2007[37] April 28, 2008[38] March 3, 2009[39] April 7, 2009[40] March 4, 2010[41] May 3, 2011 [41]
Discontinued April 28, 2008 March 3, 2009 October 20, 2009 March 4, 2010 May 3, 2011 March 7, 2012
Model number A1224 A1225 A1224 A1225 A1224 A1225 A1224
Model identifier[22] iMac7,1 iMac8,1 iMac9,1
Order number[23][24][22] MA876 MA877 MA878 MB323 MB324 MB325 MB398 MB417 MB418 (256 MB/640 GB/2.66 GHz)
MB419 (256 MB/640 GB/2.93 GHz)
MB420 (512 MB/1 TB/3.06 GHz) 		MC015/A MC015/B MC015/C
Enclosure Aluminum, glass and plastic
Display 20-inch 1680 × 1050 24-inch 1920 × 1200 IPS 20-inch 1680 × 1050 24-inch 1920 × 1200 IPS 20-inch 1680 × 1050 24-inch 1920 × 1200 IPS 20-inch 1680 × 1050
Glossy glass-covered widescreen 16:10
Processor 2.0 GHz (T7300 Merom) Intel Core 2 Duo
4 MB L2 cache 		2.4 GHz (T7700 Merom) Intel Core 2 Duo 2.4 GHz (T7700 Merom) Intel Core 2 Duo 2.4 GHz (E8135 Penryn) Intel Core 2 Duo
6 MB L2 cache 		2.66 GHz (E8335 Penryn) Intel Core 2 Duo 2.8 GHz (E8235 Penryn) Intel Core 2 Duo
6 MB L2 cache 		3.06 GHz (E8435 Penryn) Intel Core 2 Duo 2.66 GHz (E8135 Penryn) Intel Core 2 Duo
6 MB L2 cache 		2.66 GHz (E8135 Penryn) Intel Core 2 Duo or 2.93 GHz (E8335 Penryn) Intel Core 2 Duo
6 MB L2 cache 		2.0 GHz (P7350 Penryn) Intel Core 2 Duo
3 MB L2 cache 		2.26 GHz (P7550 Penryn) Intel Core 2 Duo
3 MB L2 cache
Optional: 2.8 GHz (X7900 Merom XE) Intel Core 2 Extreme
4 MB L2 cache 		Optional: 2.93 GHz (E8335 Penryn) Intel Core 2 Duo Optional: 3.06 GHz (E8435 Penryn) Intel Core 2 Duo Optional: 2.66 GHz (E8135 Penryn) Intel Core 2 Duo
System bus 800 MHz front-side bus 1066 MHz front-side bus
Memory 1 GB (2× 512 MB) or 2 GB (2× 1 GB)
Optional: 6 GB (4 GB, officially) 		1 GB (2× 512 MB)
Optional: 6 GB (4 GB, officially) 		2 GB (2× 1 GB)
Optional: 6 GB (4 GB, officially) 		2 GB (2× 1 GB) or 4 GB (2× 2 GB)
Optional: 8 GB 		1 GB (1× 1 GB)
Optional:2, 4 GB, expandable to 8 GB 		2 GB (2× 1 GB)
Optional:4 GB, expandable to 8 GB
SO-DIMM DDR2 SDRAM-667 MHz SO-DIMM DDR2 SDRAM-800 MHz SO-DIMM DDR3 SDRAM-1066 MHz
Video card ATI Radeon HD 2400 XT with 128 MB GDDR3 SDRAM ATI Radeon HD 2600 PRO with 256 MB GDDR3 SDRAM ATI Radeon HD 2400 XT with 128 MB GDDR3 SDRAM ATI Radeon HD 2600 PRO with 256 MB GDDR3 SDRAM Nvidia GeForce 8800 GS with 512 MB GDDR3 SDRAM Nvidia GeForce 9400M with 256 MB shared memory Nvidia GeForce 9400M with 256 MB shared memory or Nvidia GeForce GT 120 with 256 MB GDDR3 SDRAM Nvidia GeForce 9400M with 256 MB shared memory
Optional: 2600 PRO with 256 MB — Optional:NVIDIA GeForce 8800 GS with 512 MB GDDR3 SDRAM — Optional:NVIDIA GeForce GT 130 with 512 MB GDDR3 SDRAM —
Storage / Hard drive 250 GB
Optional: 320, 500, 750 GB, 1 TB 		320 GB
Optional: 500, 750 GB, or 1 TB 		250 GB
Optional: 320, 500, 750 GB, 1 TB 		320 GB
Optional: 500, 750 GB, 1 TB 		500 GB
Optional: 750 GB, 1 TB 		320 GB
Optional: 640 GB or 1 TB 		640 GB
Optional: 1 TB 		160 GB
Optional: 320 GB
Serial ATA 7200 rpm
Optical drive 8× double-layer SuperDrive (DVD±R DL, DVD±RW, CD-RW)
Connectivity Internal AirPort Extreme 802.11a/b/g/n (draft-n enabled)
Gigabit Ethernet
Apple Remote infrared receiver
Bluetooth 2.0 + EDR 		Internal AirPort Extreme (802.11n) 802.11a/b/g/n (draft-n enabled)
Gigabit Ethernet
Apple Remote infrared receiver
Bluetooth 2.1 + EDR 		Internal AirPort Extreme (802.11n) 802.11a/b/g/n (draft-n enabled)
Gigabit Ethernet
Camera iSight camera (640 × 480, 0.3 MP)
Video out Mini-DVI Mini DisplayPort
Peripherals 3× USB 2.0
1× FireWire 400
1× FireWire 800
Headphone/digital audio output
Audio line-in/digital audio input 		4× USB 2.0
1× FireWire 800
Headphone/digital audio output
Audio line-in/digital audio input
Weight 20 lb (9.1 kg) 25.4 lb (11.5 kg) 20 lb (9.1 kg) 25.4 lb (11.5 kg) 20 lb (9.1 kg) 25.4 lb (11.5 kg) 20 lb (9.1 kg)
Minimum operating system Mac OS X 10.4 Tiger Mac OS X 10.5 Leopard
Maximum operating system OS X 10.11 El Capitan if 2 GB RAM installed, otherwise Mac OS X 10.6 Snow Leopard OS X 10.11 El Capitan OS X 10.11 El Capitan if 2 GB RAM installed, otherwise Mac OS X 10.6 Snow Leopard OS X 10.11 El Capitan
Unofficially, macOS 15 Sequoia can be installed with OpenCore Legacy Patcher (OCLP); CPU upgrade required.[42] Unofficially, macOS 15 Sequoia can be installed with OpenCore Legacy Patcher (OCLP).[42]

Unibody (2009–2011)

[edit]
27-inch Unibody iMac

In October 2009, a 16:9 aspect ratio screen was introduced in 21.5" and 27" models, replacing the 20" and 24" 16:10 aspect ratio screens of the previous aluminum models (a 24" iMac was brought back in 2021, albeit with a different aspect ratio). The back is made of aluminum instead of plastic, and is a continuation of the aluminum body from the front and sides. Video card options entirely switched to AMD, except for the standard onboard Nvidia card in the base smaller model. The iMac's processor selection saw a significant increase.

The Intel i-series chips are introduced to Mac for the first time on the higher-spec 27-inch models.

Default RAM has also been increased across the iMac range. With the advent of the larger screens, Apple doubled the number of memory slots from two to four. Consequently, the maximum memory capacity was also doubled (to 16 GB),[43] and for Intel Core i-series (27-inch), quadrupled, to 32 GB.

The 27-inch models of the line became the first to offer Target Display Mode, allowing the iMac to be used as an external display for another Mac computer when connected via Mini DisplayPort, a feature that was extended to the 21.5-inch models onwards with the introduction of Thunderbolt.

The Mid 2010 iMac 27" has AMD Radeon HD5650 and HD5750 graphic cards. Both cards cannot support the low-level Metal API, preventing this model from upgrading to Mojave and Catalina. AMD had developed a firmware upgrade that would allow both graphic cards to support Metal and Mid 2010 iMac to be upgraded to latest macOS, but Apple had refused to certify them.

The Late 2011 Unibody iMac is also the last model to include an internal SuperDrive.

Specifications of Unibody iMacs

[edit]

According to Apple, all of these models are obsolete.[a][12]

Model Late 2009[44] Mid 2010[45] Mid 2011[46] Late 2011 (education only)[47]
Component / processor model Wolfdale-3M Intel Core Lynnfield Intel Core Clarkdale Intel Core Lynnfield Intel Core Sandy Bridge Intel Core
Release date October 20, 2009[48] July 27, 2010[49] May 3, 2011[50] August 8, 2011
Discontinued Date July 27, 2010 May 3, 2011 October 23, 2012 March 5, 2013
Marketing model no.[23][24][22] MB950 MC413 MB952 MB953 MC508 MC509 MC510 MC511 MC309 MC812 MC813 MC814 MC978
Model number A1311 A1312 A1311 A1312 A1311 A1312 A1311
Model identifier[22] iMac10,1 iMac11,1 iMac11,2 iMac11,3 iMac12,1 iMac12,2 iMac12,1
Enclosure Aluminum and glass
Display 21.5-inch 1920 × 1080 27-inch 2560 × 1440 21.5-inch 1920 × 1080 27-inch, 2560 × 1440 21.5-inch 1920 × 1080 27-inch 2560 × 1440 21.5-inch, 1920 × 1080
Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology
Processor 3.06 GHz (E7600 Wolfdale-3M) Intel Core 2 Duo
3 MB L2 cache 		2.66 GHz 4-core (Turbo Boost up to 3.2 GHz) (750 Lynnfield) Intel Core i5
8 MB L3 cache 		3.06 GHz 2-core (540 Clarkdale) Intel Core i3
4 MB L3 cache 		3.2 GHz 2-Core (550 Clarkdale) Intel Core i3
4 MB L3 cache 		2.8 GHz 4-core (Turbo Boost up to 3.33 GHz (760 Lynnfield) Intel Core i5
8 MB L3 cache 		2.5 GHz 4-core (Turbo Boost up to 3.3 GHz) (2400S Sandy Bridge) Intel Core i5
6 MB L3 cache 		2.7 GHz 4-core (Turbo Boost up to 3.7 GHz)
(2500S Sandy Bridge)
Intel Core i5
6 MB L3 cache 		3.1 GHz 4-core (Turbo Boost up to 3.4 GHz (2400 Sandy Bridge) Intel Core i5
6 MB L3 cache 		3.1 GHz 2-core
(2100 Sandy Bridge) Intel Core i3
3 MB L3 cache
Optional: 3.33 GHz (E8600 Wolfdale) Intel Core 2 Duo

6 MB L2 cache 		Optional:2.8 GHz 4-core (Turbo Boost up to 3.46 GHz) (860) Intel Core i7 Optional:3.2 GHz 2-Core (550) Intel Core i3 or 3.6 GHz (680 Clarkdale) Intel Core i5 Optional:3.6 GHz 2-core (Turbo Boost up to 3.86 GHz) (680 Clarkdale) Intel Core i5 Optional: 2.93 GHz 4-core (Turbo Boost up to 3.6 GHz) (870) Intel Core i7 — Optional: 2.8 GHz 4-core (Turbo Boost up to 3.8 GHz) (2600S) Intel Core i7 — Optional: 3.4 GHz 4-core (Turbo Boost up to 3.8 GHz) (2600) Intel Core i7 —
System bus Front-side bus Intel Direct Media Interface
1066 MHz
Optional: 1333 MHz with 3.33 GHz Core 2 Duo option 		2.5 GT/s
Memory 4 GB (two 2 GB, two slots empty)
Optional: 16 GB 		4 GB (two 2 GB, two slots empty)
Expandable to 32 GB[51] (16 GB supported by Apple) except 2-core i3 and i5 models which only support 16 GB 		2 GB (one 2 GB)
Optional: 8 GB
1066 MHz
PC3-8500 DDR3
SO-DIMM SDRAM 		1066 MHz
PC3-8500 DDR3
SO-DIMM SDRAM

(Upgradable to 1333 MHz PC3-10600 DDR3
SO-DIMM SDRAM)

1333 MHz
PC3-10600 DDR3
SO-DIMM SDRAM
Video card Nvidia GeForce 9400M with 256 MB shared memory ATI Radeon HD 4670 with 256 MB GDDR3 SDRAM ATI Radeon HD 4850 with 512 MB GDDR3 SDRAM ATI Radeon HD 4670 with 256 MB GDDR3 SDRAM ATI Radeon HD 5670 with 512 MB GDDR3 SDRAM ATI Radeon HD 5750 with 1 GB GDDR5 SDRAM AMD Radeon HD 6750M with 512 MB GDDR5 SDRAM AMD Radeon HD 6770M with 512 MB GDDR5 SDRAM AMD Radeon HD 6970M with 1 GB GDDR5 SDRAM AMD Radeon HD 6750M with 256 MB GDDR5 SDRAM
Optional: with 2 GB GDDR5 SDRAM
Storage / Hard drive 500 GB
Optional: 1 or 2 TB 		1 TB
Optional: 2 TB 		500 GB
Optional: 1, 2 TB 		1 TB
Optional: 2 TB 		1 TB
Optional: 2 TB and/or 256 GB SSD 		500 GB 1 TB
Optional: 2 TB and/or 256 GB SSD 		250 GB
Serial ATA 7200 rpm
Optical drive 8× double-layer SuperDrive (DVD±R DL/DVD±RW/CD-RW)
Connectivity Internal AirPort Extreme 802.11a/b/g/n
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Bluetooth 2.1 + EDR 		Internal AirPort Extreme 802.11a/b/g/n
Gigabit Ethernet
Built-in infrared (IR) receiver for Apple Remote
Camera iSight camera (640 × 480, 0.3 MP) FaceTime HD camera 720p (1280 × 720, 0.9 MP)
Video out Single Mini DisplayPort
Mini DisplayPort to VGA, DVI, HDMI, and DisplayPort adapters available 		Single Thunderbolt 1 (21.5-inch)

Dual Thunderbolt 1 (27-inch)

Single Mini DisplayPort
Peripherals 4× USB 2.0
1× FireWire 800
SD card slot
Headphone/digital audio output
Audio line-in/digital audio input 		4× USB 2.0
1× FireWire 800
SDXC card slot
Headphone/digital audio output
Audio line-in/digital audio input 		4× USB 2.0
1× FireWire 800
SDXC card slot
Headphone/digital audio output
Audio line-in/digital audio input
1x Thunderbolt port (21.5 in (550 mm))
2x Thunderbolt ports (27 in (690 mm)) 		4× USB 2.0
1× FireWire 800
SDXC card slot
Headphone/digital audio output
Audio line-in/digital audio input
20.5 lb (9.3 kg) 30.5 lb (13.8 kg) 20.5 lb (9.3 kg) 30.5 lb (13.8 kg) 20.5 lb (9.3 kg) 30.5 lb (13.8 kg) 20.5 lb (9.3 kg)
Minimum operating system Mac OS X 10.6 Snow Leopard
Latest release operating system macOS 10.13 High Sierra
Unofficially, macOS 15 Sequoia can be installed with OpenCore Legacy Patcher (OCLP).[42]

Slim Unibody (2012–2017)

[edit]
27-inch Slim Unibody iMac

In October 2012, a new iMac model was introduced that featured a smaller body depth than the previous models, measuring 5 mm at its thinnest point, and without an internal SuperDrive. This was partly achieved by using a process called Full Lamination. The display and glass are laminated together, eliminating a 2 mm gap between them. The 21.5-in and 27-inch screens remained at their previous resolutions, 1920 × 1080 and 2560 × 1440 respectively.

As with the 2009 model, memory has been upgraded; the standard specification is now 8 GB, with the 21.5-in model supporting up to 16 GB and the 27-inch model supporting up to 32 GB. It was reported that the 21.5 in iMac would have non-replaceable soldered memory similar to the MacBook Air and Retina display MacBook Pro[52] though tear-downs show that it uses removable memory but accessing the modules requires ungluing the screen and removing the motherboard.[53] The 27-inch version features an access port to upgrade memory without disassembling the display.[54] Apple also upgraded the computers' processors, using Intel's Ivy Bridge microarchitecture-based Core i5 and Core i7 microprocessors.

Video cards are now Nvidia as standard. USB 3.0 ports were included for the first time. The 2012 iMac also features the option of a Fusion Drive which combines an SSD and a conventional HDD to create more efficient and faster storage. Apple also removed the built-in optical drive starting with the 2012 model.

On March 5, 2013, Apple quietly announced an education-only version of the iMac, with less powerful specs for a cheaper price. It included a 3.3 GHz dual-core Intel Core i3 processor, 4 GB memory, a 500 GB hard drive and Intel HD Graphics 4000, retailing for US$1,099, $200 cheaper than the base-level consumer iMac.[55]

On September 24, 2013, the 2012 iMac model was updated with 4th-generation Intel Haswell processors and Nvidia 7xx series GPU, promising up to 1.4× improvements in performance. It also has 802.11ac Wi-Fi, which is capable of reaching speeds up to 1300 Mbit/s[56] and PCIe-based flash storage, offering up to 1.5× the performance of previous Ivy Bridge unibody iMacs. This applies to both the Fusion Drive and pure-SSD options. These became the last iMacs to offer Target Display Mode, as the Retina line introduced the following year are incompatible with the feature due to resolution differences.

At WWDC on June 5, 2017, a refreshed model was added with Kaby Lake processors and Bluetooth 4.2 support. Apple retailed the 21.5-inch model until October 29, 2021. It was sold in a single stock configuration priced at $1,099 with a 2.3 GHz dual-core 7th-generation Intel Core i5 processor. The machine was heavily criticized (more so towards the end of its production) for its lagging specifications, outdated design, and comparatively high price. The machine, however, was said to be popular among education shoppers.[57] It was the last Mac to have a Fusion Drive (albeit as an option), and after having them for 36 years, the last Mac to have a traditional hard drive. It was also the last Apple product not to have a Retina display.

Specifications of Slim Unibody iMacs

[edit]
Obsolete[12] Vintage Discontinued
Model name Late 2012[58][59] Early 2013 (education only) Late 2013[60][61] Mid 2014[62] Late 2015[63] 2017
Component / processor model Ivy Bridge Intel Core Haswell Intel Core Broadwell Intel Core Kaby Lake Intel Core
Timetable Released November 30, 2012[64] January 2013 [65][66] March 5, 2013 September 24, 2013[67] June 18, 2014[68] October 13, 2015[69] June 5, 2017
Discontinued September 24, 2013 June 18, 2014 October 13, 2015 October 13, 2015 June 5, 2017 October 29, 2021
Model numbers Model A1418 A1419 A1418 A1419 A1418
Model identifier[22] iMac13,1 iMac13,2 iMac13,1 iMac14,1 iMac14,3[70] iMac14,2 iMac14,4 iMac16,1 iMac18,1
Apple Order number[23][24][22] MD093 MD094 MD095 MD096 MD699 ME086 ME087 ME088 ME089 MF883, MG022 MK142 MK442 MMQA2, MHK03 (2020 SSD revision)
Enclosure Aluminum and glass
Display 21.5-inch 1920 × 1080 27-inch 2560 × 1440 21.5-inch 1920 × 1080 27-inch 2560 × 1440 21.5-inch 1920 × 1080
Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology
Performance Processor 2.7 GHz 4-core
(Turbo Boost up to 3.2 GHz)
(3330S Ivy Bridge) [71] Intel Core i5 		2.9 GHz 4-core
(Turbo Boost up to 3.6 GHz) (3470S Ivy Bridge) Intel Core i5
Optional: 3.1 GHz 4-core (Turbo Boost up to 3.9 GHz) (3770S Ivy Bridge) Intel Core i7
8 MB L3 cache) 		2.9 GHz 4-core
(Turbo Boost up to 3.6 GHz) (3470S Ivy Bridge) Intel Core i5 		3.2 GHz 4-core (Turbo Boost up to 3.6 GHz)
(3470 Ivy Bridge) Intel Core i5 		3.3 GHz 2-core (3225 Ivy Bridge) Intel Core i3
Optional: 3.4 GHz 4-core (Turbo Boost up to 3.9 GHz) (3770 Ivy Bridge) Intel Core i7
8 MB L3 cache) 		2.7 GHz 4-core (Turbo Boost up to 3.2 GHz)
(4570R Haswell) Intel Core i5 		2.9 GHz 4-core (Turbo Boost up to 3.6 GHz (4570S Haswell) Intel Core i5
Optional: 3.1 GHz 4-core (Turbo Boost up to 3.9 GHz) (4770S Haswell) Intel Core i7
8 MB L3 cache) 		3.2 GHz 4-core (Turbo Boost up to 3.6 GHz (4570 Haswell) Intel Core i5 3.4 GHz 4-core (Turbo Boost up to 3.8 GHz (4670 Haswell) Intel Core i5

Optional: 3.5 GHz 4-core (Turbo Boost up to 3.9 GHz) (4771 Haswell) Intel Core i7
8 MB L3 cache)

1.4 GHz 2-core (Turbo Boost up to 2.7 GHz (4260U Haswell) Intel Core i5
Optional: 3.5 GHz 4-core (Turbo Boost up to 3.9 GHz) (4771 Haswell) Intel Core i7
8 MB L3 cache) 		1.6 GHz 2-core (Turbo Boost up to 2.7 GHz (5250U Broadwell) Intel Core i5 2.8 GHz 4-core (Turbo Boost up to 3.3 GHz)
(5575R Broadwell) Intel Core i5 		2.3 GHz 2-core (Turbo Boost up to 3.6 GHz)
(7360U Kaby Lake) Intel Core i5
6 MB L3 cache 3 MB L3 cache 4 MB L3 cache 6 MB L3 cache 3 MB shared L3 cache 4 MB shared L3 cache 4 MB shared L3 cache and 64 MB L4 cache
System bus Intel Direct Media Interface 5 GT/s
Memory 8 GB (2× 4 GB, non-user-accessible AASP Installable Slot)
Optional: 16 GB 		8 GB (2× 4 GB, 2× empty slot)
Optional: 16 and 32 GB 		4 GB (two 2 GB, non-user-accessible AASP Installable Slot)
Expandable to 16 GB with third-party modules. 		8 GB (two 4 GB, non-user-accessible AASP Installable Slot)
Optional: 16 GB 		8 GB (2× 4 GB, 2× empty slot)
Optional: 16 or 32 GB 		8 GB (soldered on-board) 8 GB (soldered on-board)
Optional: 16 GB 		8 GB (two 4 GB, non-user-accessible AASP Installable Slot)
Optional: 16 GB, expandable to 32 GB with third-party modules.
1600 MHz PC3-12800 DDR3 SO-DIMM SDRAM 1600 MHz PC3-12800 LPDDR3 SDRAM (soldered on-board) 1867 MHz PC3-14900 LPDDR3 SDRAM (soldered on-board) 2133 MHz DDR4
Video card Nvidia GeForce GT 640M with 512 MB GDDR5 SDRAM Nvidia GeForce GT 650M with 512 MB GDDR5 SDRAM Nvidia GeForce GTX 660M with 512 MB GDDR5 SDRAM Nvidia GeForce GTX 675MX with 1 GB GDDR5 SDRAM
Optional: Nvidia GeForce GTX 680MX with 2 GB GDDR5 SDRAM 		Intel HD Graphics 4000 Intel Iris Pro Graphics 5200 Nvidia GeForce GT 750M with 1 GB GDDR5 SDRAM Nvidia GeForce GT 755M with 1 GB GDDR5 SDRAM Nvidia GeForce GTX 775M with 2 GB GDDR5 SDRAM
Optional: Nvidia GeForce GTX 780M with 4 GB GDDR5 SDRAM 		Intel HD Graphics 5000 Intel HD Graphics 6000 Intel Iris Pro Graphics 6200 Intel Iris Plus Graphics 640
Storage / Hard drive 1 TB
Optional:1 TB Fusion, 128, 256, 512 GB SSD
Fusion Drive initially only for high-end model, later added low-end model support[72][73] 		1 TB
Optional: 3 TB HDD, 1, 3 TB Fusion, 256, 512, 768 GB SSD 		500 GB 1 TB
Optional: 1 TB Fusion, 256 or 512 GB SSD 		1 TB
Optional: 3 TB HDD, 1 or 3 TB Fusion, 256, 512 GB, or 1 TB SSD 		500 GB
Optional:1 TB HDD, 1 TB Fusion, or 256 GB SSD 		1 TB
Optional: 1 TB Fusion or 256 GB SSD 		1 TB
Optional: 1 or 2 TB Fusion, or 256 GB SSD 		256 GB SSD
Optional:1 TB Fusion (1 TB HDD discontinued since Q3 2020)
Serial ATA 5400 rpm and Mini-SATA III (6 Gbit/s) for SSD Serial ATA 7200 rpm and Mini-SATA III (6 Gbit/s) for SSD Serial ATA 5400 rpm Serial ATA 5400 rpm and PCIe 2.0 ×2 5.0 GT/s (8 Gbit/s) for SSD Serial ATA 7200 rpm and PCIe 2.0 ×2 5.0 GT/s (8 Gbit/s) for SSD Serial ATA 5400 rpm and PCI-e for SSD
Connectivity Internal AirPort Extreme 802.11a/b/g/n
Gigabit Ethernet
Bluetooth 4.0 		Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 4.0 		Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 4.2
Camera FaceTime HD camera 720p (1280 × 720, 0.9 MP)
Video out Dual Thunderbolt 1; up to two 2560 x 1440 displays Dual Thunderbolt 2; up to two 3840 x 2160 (4K) displays Dual Thunderbolt 2; up to two 4096 x 2304 (4K UHD) displays Dual Thunderbolt 3; up to two 4096 x 2304 (4K UHD) displays or one 5120 x 2880 (5K) dual-cable display
Peripherals 4× USB 3.0
SDXC card slot
Headphone/digital audio output
Kensington Lock Slot
2× Thunderbolt ports
Mini DisplayPort output, VGA, DVI, HDMI and DisplayPort adapters (for input) available 		2x Thunderbolt 2
Mini DisplayPort output, VGA, DVI, HDMI, and DisplayPort adapters (for input) available 		2x Thunderbolt 3
DisplayPort output, VGA, DVI, HDMI, and Thunderbolt 2 adapters available
Weight 12.5 lbs (5.68 kg) 21 lbs (9.54 kg) 12.5 lbs (5.68 kg) 21 lbs (9.54 kg) 12.5 lbs (5.68 kg)
Operating system Minimum OS X 10.8 Mountain Lion OS X 10.9 Mavericks OS X 10.11 El Capitan macOS 10.12 Sierra
Latest release macOS 10.15 Catalina macOS 11 Big Sur macOS 12 Monterey macOS 13 Ventura
Unofficially, macOS 15 Sequoia can be installed with OpenCore Legacy Patcher (OCLP).[42]

Retina (2014–2020)

[edit]
27-inch Retina iMac

A Retina Display "5K" model with a resolution of 5120 × 2880 was introduced alongside the previous year's models during a keynote on October 16, 2014. This 27-inch model was given faster Haswell processors and its two Thunderbolt ports were updated to Thunderbolt 2. Secondary storage was also upgraded to a 1 TB[74] Fusion drive as standard and video options changed over to AMD Radeon R9 M290X and M295X.

In May 2015, a separate, affordable, budget counterpart of the 5K 27-inch iMac was announced with lower specifications. That same day the Late 2013 iMac lineup was completely discontinued. Later that year, a 21.5-inch "4K" model with a resolution of 4096 × 2304 was released on October 13, 2015, with older Broadwell processors, as the 27-inch counterparts were upgraded that day directly to Skylake ones. The new rechargeable and wireless peripherals were also introduced that day.

In 2017, both 21.5 and 27-inch iMacs were refreshed with Kaby Lake processors, DDR4 memories and upgraded AMD graphics with doubled or more graphic memories, Thunderbolt 3 (USB-C) ports, and Bluetooth 4.2. They were refreshed again in 2019 with Coffee Lake processors, including an 8-core build-to-order option, faster memory, and upgraded graphics including AMD Vega graphics as top of line build-to-order options.

On August 4, 2020, Apple refreshed the 27-inch 5K iMac with Comet Lake processors, AMD RDNA architecture GPUs, the T2 security chip, a 1080p FaceTime camera, Bluetooth 5, improved speakers and microphones, and solid state drives (SSD) standard. 10 Gigabit Ethernet and nano-etched glass, similar to the Pro Display XDR, are available as upgrade options. All models include non-replaceable, soldered SSDs, while models upgraded to 4 TB and 8 TB include an expansion bay for a second SSD. It was the last Mac with an Intel processor introduced by Apple, as well as the only Intel Mac introduced after the announcement of the Mac transition to Apple silicon.[75]

The 2019 21.5-inch models remained available but received a minor configuration change with SSDs standard, with higher-capacity Fusion Drives as a free build-to-order option, while hard disk drives were no longer available.[76] The 2020 refresh marked the end of hard disk drives in standard configuration Macs, having been available in Macs since the Macintosh XL in 1985, as the 21.5-inch iMac was the only Mac still sold with them.[77] In March 2021, Apple silently removed the 512 GB and 1 TB SSD configurations for the 21.5-inch iMac.[78]

The 21.5 inch iMac with 4K Retina Display was discontinued on April 20, 2021, after the announcement of the first Apple silicon-based iMac. The 27-inch model was discontinued on March 8, 2022, after the announcement of the Mac Studio and 27-inch Apple Studio Display, and marked the end of Intel-based iMac models, and the return of the iMac to a single sized model since the introduction of 17" inch iMac G4 in 2002.

Specifications of Retina iMacs

[edit]
Obsolete[a] Vintage Discontinued
Model Late 2014[79] Mid 2015 Late 2015[80][81] 2017 2019 2020
Component / processor model Haswell Intel Core Broadwell Intel Core Skylake Intel Core Kaby Lake Intel Core Coffee Lake Intel Core Comet Lake Intel Core
Release date October 16, 2014[82] May 19, 2015 October 13, 2015[69] June 5, 2017 March 19, 2019 August 4, 2020
Discontinued Date October 13, 2015 October 13, 2015 June 5, 2017 March 19, 2019 April 20, 2021 August 4, 2020 March 8, 2022
Model number A1419 A1418 A1419 A1418[83] A1419 A2116[84] A2115[85] A2115
Model identifier[22] iMac15,1 iMac16,2 iMac17,1 iMac18,2 iMac18,3 iMac19,2[86] iMac19,1[86] iMac20,1[86] iMac20,1, iMac20,2[87]
Part number[22] MF886 MF885 MK452 MK462 MK472 MK482 MNDY2 MNE02 MNE92 MNEA2 MNED2 MRT32, MHK23 (SSD revision) MRT42, MHK33 (SSD revision) MRQY2 MRR02 MRR12 MXWT2 MXWU2 MXWV2
Display 27-inch 5120 × 2880 21.5-inch 4096 × 2304 27-inch 5120 × 2880 21.5-inch 4096 × 2304 27-inch 5120 × 2880 21.5-inch 4096 × 2304 27-inch 5120 × 2880
Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology with P3 color gamut Glossy glass-covered widescreen 16:9, LED backlighting and IPS technology with P3 color gamut
500 nits brightness 		Glossy glass-covered widescreen 16:9, LED backlighting, and IPS technology with P3 color gamut. 500 nits brightness, support for True Tone technology. Configurable with nano-texture glass for $500 before 2021-04-21, then $300[88]
Processor 3.5 GHz 4-core (Turbo Boost up to 3.9 GHz (4690 Haswell) Intel Core i5
6 MB shared L3 cache 		3.3 GHz 4-core (Turbo Boost up to 3.7 GHz) (4590 Haswell) Intel Core i5
6 MB shared L3 cache 		3.1 GHz 4-core (Turbo Boost up to 3.6 GHz (5675R Broadwell) Intel Core i5
4 MB shared L3 cache and 128 MB L4 cache 		3.2 GHz 4-core (Turbo Boost up to 3.6 GHz) (6500 Skylake) Intel Core i5
6 MB shared L3 cache 		3.3 GHz 4-core (Turbo Boost up to 3.9 GHz) (6600 Skylake) Intel Core i5 6 MB shared L3 cache 3.0 GHz 4-core (Turbo Boost up to 3.5 GHz) (7400 Kaby Lake) Intel Core i5
6 MB shared L3 cache 		3.4 GHz 4-core (Turbo Boost up to 3.8 GHz) (7500 Kaby Lake) Intel Core i5
6 MB shared L3 cache 		3.5 GHz 4-core (Turbo Boost up to 4.1 GHz) (7600 Kaby Lake) Intel Core i5
6 MB shared L3 cache 		3.8 GHz 4-core (Turbo Boost up to 4.2 GHz) (7600K Kaby Lake) Intel Core i5
6 MB shared L3 cache 		3.6 GHz 4-core (8100 Coffee Lake) Intel Core i3
6 MB shared L3 cache 		3.0 GHz 6-core (Turbo Boost up to 4.1 GHz) (8500 Coffee Lake) Intel Core i5
9 MB shared L3 cache 		3.1 GHz 6-core (Turbo Boost up to 4.3 GHz) (8600 Coffee Lake) Intel Core i5
9 MB shared L3 cache 		3.7 GHz 6-core (Turbo Boost up to 4.6 GHz) (9600K Coffee Lake) Intel Core i5
9 MB shared L3 cache 		3.1 GHz 6-core (Turbo Boost up to 4.5 GHz) (10500 Comet Lake) Intel Core i5
12 MB shared L3 cache 		3.3 GHz 6-core (Turbo Boost up to 4.8 GHz) (10600 Comet Lake) Intel Core i5
12 MB shared L3 cache 		3.8 GHz 8-core (Turbo Boost up to 5.0 GHz) (10700K Comet Lake) Intel Core i7
16 MB shared L3 cache
Optional: 4 GHz 4-core (Turbo Boost up to 4.4 GHz) Haswell Intel Core i7
8 MB shared L3 cache 		— Optional: 3.3 GHz 4-core (Turbo Boost up to 3.8 GHz) Broadwell Intel Core i7
6 MB shared L3 cache and 128 MB L4 cache 		— Optional: 4 GHz 4-core (Turbo Boost up to 4.2 GHz) Skylake Intel Core i7
8 MB shared L3 cache 		Optional: 3.6 GHz 4-core (Turbo Boost up to 4.2 GHz) Kaby Lake Intel Core i7
8 MB shared L3 cache (i7 7700) 		— Optional: 4.2 GHz 4-core (Turbo Boost up to 4.5 GHz) Kaby Lake Intel Core i7
8 MB shared L3 cache (i7 7700K) 		Optional: 3.2 GHz 6-core (Turbo Boost up to 4.6 GHz) Coffee Lake Intel Core i7 12 MB Cache (i7 8700) — Optional: 3.6 GHz 8-core (Turbo Boost up to 5 GHz) Coffee Lake Intel Core i9-9900K w/ 16 MB Cache — Optional: 3.6 GHz 10-core (Turbo Boost up to 5 GHz) Comet Lake Intel Core i9-10910 w/20 MB Cache
System bus Intel Direct Media Interface 2.0 Intel Direct Media Interface 3.0
Memory 8 GB (two 4 GB, two slots empty)
Optional: 16 or 32 GB 		8 GB (soldered on board)
Optional: 16 GB 		8 GB (two 4 GB, two slots empty)
Optional:16, 32 GB, expandable to 64 GB with third party modules.[89] 		8 GB (two 4 GB), non-user-accessible AASP Installable Slot
Optional: 16 GB, expandable to 64 GB with third-party modules. [citation needed] 		8 GB (two 4 GB), non-user-accessible AASP Installable Slot
Optional:16 or 32 GB, expandable to 64 GB with third-party modules. [citation needed] 		8 GB (two 4 GB, two slots empty)
Optional: 16 or 32 GB, expandable to 64 GB with third party modules.[90] 		8 GB (two 4 GB, two slots empty)
Optional: 16, 32, 64 GB 		8 GB (two 4 GB), non-user-accessible AASP Installable Slot
Optional: 16 or 32 GB, expandable to 64 GB with third party modules. [citation needed] 		8 GB (two 4 GB, two slots empty)
Optional: 16 or 32 GB, expandable to 128 GB with third-party modules. 		8 GB (two 4 GB, two slots empty)
Optional: 16, 32, 64 GB, expandable to 128 GB with third party modules.[91] 		8 GB (two 4 GB, two slots empty)
Optional: 16, 32, 64 GB, expandable to 128 GB
1600 MHz PC3-12800 DDR3 SO-DIMM SDRAM 1867 MHz PC3-14900 LPDDR3 SDRAM (soldered on-board) 1867 MHz PC3-14900 DDR3L SO-DIMM SDRAM 2400 MHz PC4-19200 DDR4 SO-DIMM SDRAM 2666 MHz PC4-21300 DDR4 SO-DIMM SDRAM
Graphics AMD Radeon R9 M290X with 2 GB GDDR5 SDRAM
30-bit Deep Color
Optional: AMD Radeon R9 M295X with 4 GB GDDR5 SDRAM[92] 		AMD Radeon R9 M290 with 2 GB GDDR5 SDRAM
30-bit Deep Color 		Intel Iris Pro Graphics 6200 AMD Radeon R9 M380 with 2 GB GDDR5 SDRAM
30-bit Deep Color 		AMD Radeon R9 M390 with 2 GB GDDR5 SDRAM
30-bit Deep Color 		AMD Radeon R9 M395 with 2 GB GDDR5 SDRAM
30-bit Deep Color
Optional: AMD Radeon R9 M395X with 4 GB GDDR5 SDRAM 		Radeon Pro 555 with 2 GB GDDR5 SDRAM Radeon Pro 560 with 4 GB GDDR5 SDRAM Radeon Pro 570 with 4 GB GDDR5 SDRAM Radeon Pro 575 with 4 GB GDDR5 SDRAM Radeon Pro 580 with 8 GB GDDR5 SDRAM Radeon Pro 555X with 2 GB GDDR5 SDRAM Radeon Pro 560X with 4 GB GDDR5 SDRAM

Optional: Radeon Pro Vega 20 with 4 GB HBM2 memory

Radeon Pro 570X with 4 GB GDDR5 SDRAM Radeon Pro 575X with 4 GB GDDR5 SDRAM Radeon Pro 580X with 8 GB GDDR5 SDRAM

Optional: Radeon Pro Vega 48 with 8 GB HBM2 memory

Radeon Pro 5300 with 4 GB GDDR6 SDRAM Radeon Pro 5500 XT with 8 GB GDDR6 SDRAM

Optional: Radeon Pro 5700 with 8 GB GDDR6 SDRAM or Radeon Pro 5700 XT with 16 GB GDDR6 SDRAM

Storage / Hard drive 1 TB Fusion
Optional: 3 TB Fusion, 256, 512 GB, 1 TB SSD 		1 TB
Optional: 3 TB HDD, 1 or 3 TB Fusion, 256, 512 GB, or 1 TB SSD 		1 TB
Optional: 1 or 2 TB Fusion, 256 or 512 GB SSD 		1 TB
Optional: 3 TB HDD, 1, 2, 3 TB Fusion, 256, 512 GB SSD 		1 TB Fusion
Optional: 2 or 3 TB Fusion, 256, 512 GB, 1 TB SSD 		2 TB Fusion
Optional: 3 TB Fusion, 256, 512 GB, or 1 TB SSD 		1 TB
Optional: 1 TB Fusion, 256 or 512 GB SSD 		1 TB Fusion
Optional: 256, 512 GB or 1 TB SSD 		1 TB Fusion
Optional: 2 TB Fusion, 256, 512 GB or 1 TB SSD 		1 TB Fusion
Optional: 2, 3 TB Fusion, 256, 512 GB, 1 TB SSD 		2 TB Fusion
Optional: 3 TB Fusion, 512 GB, 1, or 2 TB SSD 		1 TB
Optional: 1 TB Fusion, 256, 512 GB, 1 TB SSD
After Aug 4, 2020: 256 GB SSD Optional: 1 TB Fusion, 512 GB, 1 TB SSD
After Mar 20, 2021: 256 GB SSD Optional: 1 TB Fusion 		1 TB Fusion
Optional: 256, 512 GB, or 1 TB SSD
After Aug 4, 2020: 256 GB SSD Optional: 1 TB Fusion, 512 GB, 1 TB SSD
After Mar 20, 2021: 256 GB SSD Optional: 1 TB Fusion 		1 TB Fusion
Optional: 2 TB Fusion, 256, 512 GB, or 1 TB SSD 		1 TB Fusion
Optional: 2, 3 TB Fusion, 256, 512 GB, 1 TB SSD 		2 TB Fusion
Optional: 3 TB Fusion, 512 GB, 1, 2 TB SSD 		256 GB SSD
 512 GB SSD
Optional: 1, 2 TB SSD 		512 GB SSD
Optional: 1, 2, 4, 8 TB SSD
Serial ATA 7200 rpm and PCI-e for SSD Serial ATA 5400 rpm and PCI-e for SSD Serial ATA 7200 rpm and PCI-e for SSD Serial ATA 5400 rpm Serial ATA 5400 rpm and PCI-e for SSD Serial ATA 7200 rpm and PCI-e for SSD Serial ATA 5400 rpm and PCI-e for SSD Serial ATA 7200 rpm and PCI-e for SSD soldered on board
Security Chip None Apple T2
Connectivity Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 4.0 		Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 4.2 		Internal AirPort Extreme 802.11a/b/g/n/ac
Gigabit Ethernet
Bluetooth 5.0
Optional: 10 Gigabit Ethernet
Camera 720p FaceTime HD camera 1080p FaceTime HD camera
Video out Up to two 4096 x 2304 (4K UHD) displays or one 5120 x 2880 (5K) dual-cable display[93] Up to two 4096 x 2304 (4K UHD) displays or one 5120 x 2880 (5K) display[94] Up to two 4096 x 2304 (4K UHD) displays with support for millions of colors or one 6016 x 3384 (6K) display with support for 1 billion colors[95] In addition: Up to two 6016 x 3384 (6K) displays with support for billions of colors w/ Radeon Pro 5700 or Radeon Pro 5700 XT
Peripherals 4× USB 3.0
SDXC card slot
Headphone/digital audio output
2× Thunderbolt 2 ports
Mini DisplayPort to VGA, DVI, HDMI, and DisplayPort adapters available
Kensington Lock Slot 		4× USB 3.0
SDXC card slot
Headphone audio output
2× Thunderbolt 3 (USB-C 3.1 gen 2) ports
Kensington Lock Slot 		4× USB 3.0
SDXC card slot (UHS-II)
Headphone audio output
2× Thunderbolt 3 (USB-C 3.1 gen 2) ports
Kensington Lock Slot
Weight 21 lbs (9.54 kg) 12 lbs (5.68 kg) 21 lbs (9.54 kg) 12 lbs (5.68 kg) 21 lbs (9.54 kg) 12 lbs (5.68 kg) 21 lbs (9.54 kg) 19.7 lbs (8.92 kg)
Minimum operating system OS X 10.10 Yosemite OS X 10.11 El Capitan macOS 10.12 Sierra macOS 10.14 Mojave macOS 10.15 Catalina
Latest release operating system macOS 11 Big Sur macOS 12 Monterey macOS 13 Ventura macOS 15 Sequoia
Unofficially, macOS 15 Sequoia can be installed with OpenCore Legacy Patcher (OCLP).[42]

Supported operating systems

[edit]
Supported macOS releases
OS release Polycarbonate Aluminum Unibody Slim unibody Retina
Early 2006 Mid 2006 Late 2006 Mid 2007 Early 2008 Early 2009 Late 2009 Mid 2010 Mid 2011 Late 2012 Late 2013 Mid 2014 Late 2014 Mid 2015 Late 2015[b] 2017[b] 2019 2020
10.4 Tiger 10.4.4 10.4.7 10.4.10 — — — — — — — — — — — — — —
10.5 Leopard Yes Yes Yes Yes 10.5.2 10.5.6 — — — — — — — — — — — —
10.6 Snow Leopard Requires 1 GB RAM or more Yes Yes Yes Yes Yes 10.6.3 10.6.6 — — — — — — — — —
10.7 Lion patch, requires processor upgrade Requires 2 GB RAM or more Yes Yes Yes Yes — — — — — — — — —
10.8 Mountain Lion patch, requires processor upgrade patch Requires 2 GB RAM or more Yes Yes Yes Yes 10.8.1 10.8.4 — — — — — — —
10.9 Mavericks patch, requires processor upgrade patch Requires 2 GB RAM or more Yes Yes Yes Yes Yes Yes 10.9.3 — — — — — —
10.10 Yosemite patch, requires processor upgrade, no graphics acceleration patch, no graphics acceleration Requires 2 GB RAM or more Yes Yes Yes Yes Yes Yes Yes Yes 10.10.3 — — — —
10.11 El Capitan Requires 2 GB RAM or more Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes — — —
10.12 Sierra No No No patch, requires processor upgrade patch Yes Yes Yes Yes Yes Yes Yes Yes Yes 10.12.5 — —
10.13 High Sierra No No No patch Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes — —
10.14 Mojave No No No patch Yes Yes Yes Yes Yes Yes Yes 10.14.3 —
10.15 Catalina No No No patch Yes Yes Yes Yes Yes Yes Yes Yes 10.15.6
11 Big Sur No No No patch Yes Yes Yes Yes Yes Yes Yes
12 Monterey No No No patch Yes Yes Yes Yes
13 Ventura No No No patch Yes Yes Yes
14 Sonoma No No No patch Yes Yes
15 Sequoia No No No patch (Photos app currently not functional with non-Metal graphics card) patch Yes Yes
Supported Windows versions
OS release Polycarbonate Aluminum Unibody Slim unibody Retina
Early 2006 Mid 2006-Early 2009 Late 2009 Mid 2010 Mid 2011 Late 2012-Mid 2015 Late 2015 2017–2020
Windows XP
32-bit[Note 1][96][97] 		Yes Yes Yes No No No No No No
Windows Vista
32-bit[Note 2][96][97] 		Yes Yes Yes No No No No No No
Windows Vista
64-bit[Note 2][96] 		No Yes Yes No No No No No No
Windows 7
32-bit[Note 3][96][98] 		No Yes Yes Yes Yes Yes No No No No
Windows 7
64-bit[Note 4][96][99] 		No No No Yes Yes Yes Yes Yes No No
Windows 8
[Note 5][Note 6][96] 		No No No No Yes Yes Yes Yes Yes No
Windows 8.1
[Note 7][Note 6][100][99] 		No No No No Yes Yes Yes Yes Yes No
Windows 10
[Note 8][Note 6][101][99] 		No No No No No No Yes Yes Yes Yes
Windows 11 No No No No No No No No No No



Timeline of iMac models

[edit]
Timeline of iMac and eMac models (sorted by screen sizes)
Mac StudioApple WatchiPadiPhoneMacBookMac MiniPower Mac G5iPodPower Mac G4 CubeiBookPower Macintosh G3iMac (Apple silicon)iMac (Apple silicon)iMac (Apple silicon)iMac ProiMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac (Intel-based)iMac G5iMac G5iMac G4iMac G3#2nd generation: Slot-loadingiMac G4eMaciMac G4iMac G3
See also: List of Mac models

Notes

[edit]
  1. ^ a b c d Apple products that have been discontinued for 7 years and no longer receive hardware support nor spare parts
  2. ^ a b Includes 21.5" non-Retina models released in the same date (Late 2015 and Mid 2017)
  1. ^ Windows XP can only be installed on Macs built up until late 2009 with Boot Camp 3 or earlier, excluding the late 2009 high-end 27-inch model. This includes Mac OS X 10.6 or earlier and copies of Mac OS X 10.7 that have not been updated to Boot Camp 4.
  2. ^ a b Windows Vista can only be installed on Macs built up until late 2009 with Boot Camp 3 or earlier, excluding the late 2009 high-end 27-inch model. This includes Mac OS X 10.6 or earlier and copies of Mac OS X 10.7 that have not been updated to Boot Camp 4.
  3. ^ The 32-bit version of Windows 7 can only be installed on Macs with Boot Camp 3.1 to 6.0. This includes OS X 10.11 and earlier.
  4. ^ The 64-bit version of Windows 7 can only be installed on Macs with Boot Camp 3.1 or later, running macOS High Sierra or earlier. Later versions of macOS no longer support Windows 7.
  5. ^ Windows 8 can only be installed on Macs with Boot Camp 5.0 to 6.0. This includes OS X 10.11 and earlier.
  6. ^ a b c Only 64-bit versions of Windows are supported for Windows 8 and later.
  7. ^ Windows 8.1 can only be installed on Macs with Boot Camp 5.1 or later, running macOS High Sierra or earlier. Later versions of macOS no longer support Windows 8.1.
  8. ^ Windows 10 can only be installed on Macs with Boot Camp 6.0 or later. It is the only supported version of Windows on macOS Mojave and later.

References

[edit]
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