Apple iMac 21.5-inch 2020-MHK23

21.5″ -inch iMac Retina 4K Display

  • 3.0GHz 6-core 8th Gen Intel Core i5 Processor
  • Turb Boost up to 4.1Ghz
  • 8GB 2666MHz DDR4 memory , configurable up to 32GB
  • 256GB SSD storage 1
  • Radeon Pro 560x with 4GB of GDDR5 memory
  • Two Thunderbolt 3 Port
  • Retina 4K 4096- by -2304 P3 Display

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Features & Compatibility


The all-in-one for all. If you can dream it, you can do it on iMac. It’s beautifully designed, incredibly intuitive, and packed with powerful tools that let you take any idea to the next level. And the new 27-inch model elevates the experience in every way, with faster processors and graphics, expanded memory and storage, enhanced audio and video capabilities, and an even more stunning Retina 5K display. It’s the desktop that does it all — better and faster than ever.

21.5-inch iMac
Starting at $1099


27-inch iMac
Starting at $1799

Retina Display

Draws you in. Blows you away. Everything looks better on a Retina display, with its one billion colors and 500 nits of brightness. Photos and graphics leap off the screen. Text is supersharp. And for the first time, the 27‑inch iMac features True Tone technology for a more natural viewing experience and a nano-texture glass option to reduce glare to the barest minimum.

21.5-inch iMac

Up to4KRetina display

27-inch iMac

5KRetina display

True Tone technology for a more natural viewing experience.

Nano-Texture Glass

Minimum glare. Maximum detail. First seen on the Pro Display XDR, the nano-texture glass option on the 27‑inch iMac is a game-changer for workspaces with sunlight, direct light, or changing lighting conditions. Unlike typical matte display coatings, the nano-texture is etched into the glass at the nanometer level. This reduces glare while preserving contrast, for jaw-dropping image quality

Nano-texture glass scatters inbound light to minimize glare — while reducing the unwanted haze and sparkle of typical matte coatings.

Processor and Memory

From fast to fasten your seatbelt. iMac and powerful processors go hand in hand. Up to a 6-core Intel Core i7 processor gives the 21.5‑inch iMac all the power you need for creating in Photoshop, editing video, or making music. And the 27-inch model offers up to a 10-core Intel Core i9 processor to sail through heavy tasks like layering dozens of audio tracks or compiling and testing code.

21.5-inch iMac

Up to6-core8th-generation Intel Core i7 processor

Up to4.6GHzTurbo Boost

27-inch iMac

Up to10-core10th-generation Intel Core i9 processor

Up to5.0GHzTurbo Boost

Logic Pro X

Final Cut Pro X

Autodesk Maya

WebKit Compile


27-inch iMac

10-core iMac

Previous-generation 8-core iMac (Baseline)

65%more Amp Designer plug-ins

27-inch iMac

10-core iMac

Previous-generation 8-core iMac (Baseline)

40%faster ProRes transcode2

27-inch iMac

10-core iMac

Previous-generation 8-core iMac (Baseline)

35%faster Arnold render

27-inch iMac

10-core iMac

Previous-generation 8-core iMac (Baseline)

25%faster build time using Xcod

27-inch iMac

10-core iMac

Previous-generation 8-core iMac (Baseline)

20%faster simulation of dynamical systems

More memory. For major processing. The 21.5‑inch iMac can be configured to a formidable 32GB of memory. And the 27‑inch iMac can now be configured to 128GB — double the capacity of the previous generation — to fly through the most complex pro workflows up to twice as fast.

21.5-inch iMac

Up to32GB2666MHz memory

27-inch iMac

Up to128GB2666MHz memory


Next-level. At any level. The graphics on iMac make everything a sight to behold. The 21.5-inch model comes with AMD Radeon Pro 500X series graphics, and can be configured with an AMD Radeon Pro Vega 20 GPU to power through tasks like 3D rendering or complex video effects with ease. And the 27-inch model brings AMD Radeon Pro 5000 series graphics with up to 16GB of GDDR6 memory for graphics-intensive workflows like editing UHD video or developing lifelike game environments.

21.5-inch iMac

Up to4GBHBM2 memory
Up to20compute units

27-inch iMac

Up to16GBGDDR6 memory —
up to 6x faster than 8GB
Up to40compute units

Maxon Cinema 4D

Unity Editor



Final Cut Pro x

27-inch iMac

10-core iMac with Radeon Pro 5700 XT and 16GB GDDR6

8-core iMac with Radeon Pro Vega 48 and 8GB HBM2 (Baseline)

55%faster render with ProRender

27-inch iMac

10-core iMac with Radeon Pro 5700 XT and 16GB GDDR6

8-core iMac with Radeon Pro Vega 48 and 8GB HBM2 (Baseline)

50%faster demo fly-through

27-inch iMac

10-core iMac with Radeon Pro 5700 XT and 16GB GDDR6

8-core iMac with Radeon Pro Vega 48 and 8GB HBM2 (Baseline)

45%faster game performance

27-inch iMac

10-core iMac with Radeon Pro 5700 XT and 16GB GDDR6

8-core iMac with Radeon Pro Vega 48 and 8GB HBM2 (Baseline)

35%faster game performance

27-inch iMac

10-core iMac with Radeon Pro 5700 XT and 16GB GDDR6

8-core iMac with Radeon Pro Vega 48 and 8GB HBM2 (Baseline)

30%faster timeline render performance


More space. More speed. All-flash SSD storage is now standard on all iMac models, bringing high capacity and lightning speed. And the 27‑inch iMac can now be configured up to a whopping 8TB SSD with up to 3.4GB/s sequential read and write speeds, for screaming-fast access to all of your photo and video libraries, massive files, and pro apps.

21.5-inch iMac

Up to1TBSSD storage

27-inch iMac

Up to8TBSSD storage

Camera, Speakers, and Mics

Mics, camera, action. From crystal clear video calls and voice recordings to music and movies that fill the room, iMac is an all-star for communications and content. The 27‑inch iMac now features a 1080p FaceTime HD camera and a studio-quality three-mic array. And the T2 chip acts in concert with the speakers to enable variable EQ and an enhanced bass response, so all your content can have big, balanced high-fidelity sound.

21.5-inch iMac

720pFaceTime HD ƒ/2.0 camera

Built-in microphone

27-inch iMac

1080pFaceTime HD ƒ/2.2 camera

Studio-quality three-mic array

Apple T2 Security Chip

Your own private security detail. The Apple T2 Security Chip comes to the 27‑inch iMac, with a Secure Enclave coprocessor that provides the foundation for secure boot and encrypted storage capabilities. The T2 chip also enables powerful features like the 1080p FaceTime HD camera, face detection, enhanced speaker bass response, and “Hey Siri” — and makes transcoding HEVC video up to twice as fast as the previous generation.


Packed with ports. And possibilities. Every iMac features two superfast Thunderbolt 3 (USB-C) ports and four USB-A ports, giving you plenty of high-performance options for connecting external drives, cameras, displays, and more. All iMac models come with a 1Gb Ethernet port, and now you can configure the 27‑inch iMac with 10Gb Ethernet for up to 10 times the throughput of the previous generation. Ultrafast Wi-Fi and Bluetooth are standard on every iMac, and the 27‑inch model features Bluetooth 5.0, so you’re instantly connected to your favorite content and wireless devices.


card slot


Thunderbolt 3


Connect up to two 6K displays, including Apple Pro Display XDR

Turn your workspace into a showcase. Thunderbolt 3 lets you add up to two 6K displays for the ultimate workspace setup.

Apple Accessories

Rechargeable. Remarkable. Magic Mouse 2 and Magic Keyboard pair perfectly with iMac and come included in the box. If you’re looking for extra functionality, Magic Keyboard with Numeric Keypad and Magic Trackpad 2 offer some impressive options.


Magic Mouse 2

A streamlined design gives the Multi-Touch mouse a solid build and a smooth glide for quality you can feel.

Magic Keyboard

Designed with a sleek, low profile and engineered for stability so you can type with comfort and precision.

Magic Keyboard with Numeric Keypad

Whether you’re working or gaming, this keyboard makes everything as easy as 1-2-3.

Magic Trackpad 2

Designed with Force Touch technology, it lets you press a little deeper on a large, click-anywhere surface — and do a lot more


Additional information






Core i3

Processor Speed

3.2 GHz

Processor Turbo

4.1 GHz (Up to)


8 GB

RAM Type



AMD Radeon Graphics

Graphics Detail

Pro 555 ( AMD Radeon )

Graphic Memory

2 GB

Hard Disk Capacity

256GB SSD storage

Customer Reviews