Apple iMac 27-Inch “Core i5” 3.1 (5K, 2020) Specs

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Retina 5K, 27-Inch, 2020 – iMac20,1 – MXWT2LL/A – A2115 – 3442

About this iMac

This MXWT2LL/A iMac model was officially launched on August 4, 2020. Apple introduced several improvements in this iMac compared to its 2019 iMac predecessors, including a better webcam, speaker system, and microphone. It has a more advanced processor, system-level architecture, and integrated GPU. Unlike its older 2017 iMac versions, the display of this iMac model features True Tone and nano-texture technology.

The 2020 iMac has a 3.1 GHz core i5 processor with a 12 MB shared L3 cache. For GPU, Radeon Pro 5300 graphics processor is integrated into the system with 4 GB of dedicated GDDR6 video memory. The RAM of this iMac is 8 GB which is upgradeable as well. It comes with a default storage space of 256 GB SSD memory. This model has a large LED-backlit 27-Inch Retina 5K display supporting True Tone. A T2 Security Chip is also installed in this iMac to keep your data more secure.

Other notable features include a 1080p FaceTime HD webcam for high-definition video capture and video calls, a studio-quality three-mic array to deliver studio-quality recordings with a high signal-to-noise ratio, and stereo speakers for more immersed sound. This iMac has several connectivity options, including 4 USB 3.0 ports, an SDXC SD Card slot, 2 Thunderbolt 3 ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 5.0 for wireless connectivity.

This model has an aluminum wireless Magic Keyboard and a wireless Magic Mouse 2 with multi-touch surface compatibility. Similar to other tapered-edge iMac models, this iMac is also designed with an aluminum rear and glass front. It is slim in design with thicker in the middle and tapers to a razor-thin 5 mm at the edges rather than flat sides.

This iMac model is 51.6 cm in height, 65.0 cm in width, and 20.3 cm in depth and weighs 8.92 kg. The Operating System of the iMac can also be upgraded from its pre-installed Mac OS X 10.15.6 up to the current MacOS X.

3.1 GHz Core i5 (I5-10500)

8 GB

256 GB SSD

N/A

Storage & Memory

By default, this iMac model has 8 GB of 2666 MHz PC4-21300 DDR4 SDRAM with two separate 4 GB memory modules. It comes with a default 256 GB SSD storage memory.

Screen Size and Resolution

The Apple iMac 2020 Core i5 model features a Retina 5K 27-Inch widescreen display supporting IPS technology and LED-backlit feature. It has a native resolution of 5120 x 2880 and 500 nits brightness. It also supports True Tone technology, which is absent in earlier iMac models. The display’s aspect ratio is 16:9 with wide color” DCI-P3 gamut for enhanced and better color schemes. For glare reduction, the display of this iMac also features nano-texture glass. Additionally, it has support for 4K Dolby Vision and HDR10 content.

OS & Processor

This iMac model comes with the pre-installed macOS X 10.15.6 (19G2005). It fully supports the final versions of macOS Catalina and MacOS BigSur. Furthermore, it supports macOS Monterey (macOS 12) but does not support the minor Spatial Audio, Portrait Mode, 3D Landmarks, and Interactive Globe features.

Finally, this model is compatible with the current macOS, macOS Ventura (macOS 13) but does not support the features such as the minor Live Captions in FaceTime, Emoji Dictation, and Reference Mode with Sidecar features.

The processor of this iMac is Intel 64-bit 10th Generation Core i5 processor (14 nm), also known as the “Comet Lake” (I5-10500) processor. It includes 6 independent cores, a 12 MB shared level cache, and an integrated memory controller. This model also supports Turbo boost to reach a processing speed of up to 4.5 GHz. The graphics of this iMac are powered by a Radeon Pro 5300 graphics processor that comes with 4 GB of GDDR6 VRAM.

This iMac has a dedicated security feature of a T2 security chip.

Upgradability

The RAM of this iMac model is configurable. With 4 RAM slots, this iMac model’s RAM could be upgraded to 128 GB. Moreover, the default keyboard and mouse can also be upgraded to Magic Keyboard with Numeric Keypad and Magic Trackpad 2, respectively.

The iMac 27” comes with 256 GB SSD storage which is not upgradeable at the time of purchase nor later.

The operating system of this model also supports the latest version of macOS Ventura except for the minor Live Captions in FaceTime, Emoji Dictation, and Reference Mode with Sidecar features.

Inclusive Features

Bigger 27-Inch Retina 5K display
Great speakers quality
Fast and powerful processor and GPU
Intel Core i5 “Comet Lake” (I5-10500) processor
Wide connectivity options
Turbo Boost support
True Tone technology
Configurable 8 GB DDR4 SDRAM (up to 128 GB)
Radeon Pro 5300 graphics processor
4 GB VRAM
Magic Keyboard and Magic Mouse 2
Force Touch capability
Built-in 1080p FaceTime HD webcam
Pre-installed MacOS X 10.15.6 (19G2005)
Aluminum design

Introduced:August 4, 2020		Discontinued: March 8, 2022
Screen Size and Resolution		Memory
Screen Size	27″ 16:9 Widescreen	Level 1 Cache	32k/32k x6
Resolution	5120×2880	Level 2/Level 3 Cache	256k x6, 12 MB
Processor		RAM Type	PC4-21300 DDR4
Processors	1 (6 Cores)	Min. RAM Speed	2666 MHz
Architecture	64-Bit	Standard RAM	8 GB
Speed	3.1 GHz	Maximum RAM	128 GB
Type	Core i5 (I5-10500)	RAM Slots	4
Processor Upgrade	LGA 1200	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	8 GT/s	Video Card	Radeon Pro 5300
Cache Bus Speed	3.1 GHz (Built-in)	VRAM Type	Dedicated
ROM/Firmware	EFI	Standard VRAM	4 GB
EFI Architecture	64-Bit	Maximum VRAM	4 GB
Storage		Inclusive Features and Ports
Standard Storage	256 GB SSD	Standard Optical Drive	None
Storage Speed	N/A	Standard Ethernet	10/100/1000Base-T
Storage Dimensions	Soldered	Standard Modem	None
Storage Interface	Soldered	Standard Air Port	802.11ac
Battery		Standard Bluetooth	5.0
Type	N/A	USB Port 3.0	4 (3.0)
Battery Life	N/A	Thunderbolt Ports	2
Description		Keyboard	Magic Keyboard
Case Type	All-in-One	Inclusive Input	Magic Mouse 2
Form Factor	27″ iMac Tapered Edge	S-Video Output	None
Apple Order No	MXWT2LL/A	Microphone	1 (Built-in)
Apple Subfamily	Retina 5K, 27-Inch, 2020	Headphone	NA
Apple Model Number	A2115 (EMC 3442)	Sound Out	NA
Model ID	iMac20,1	Power Adapter	NA

Identifier reference: MXWT2LL/A, A2115, EMC 3442, iMac20,1. Use these together because one Apple identifier can sometimes cover multiple configurations.

Last reviewed by Techable: August 14, 2025Identifiers checked: order number, A-number, EMC, and model identifier when available.

Model summary

This iMac at a glance

Family: iMac
Order Number: MXWT2LL/A
Model Number: A2115
EMC: 3442
Model ID: iMac20,1
Year: 2022

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Next steps

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Common questions

Is MXWT2LL/A the same as A2115?

Not exactly. MXWT2LL/A usually points to a specific retail configuration, while A2115 identifies the broader Apple hardware family. Always check the EMC and model identifier too.

What iMac is model A2115?

A2115 is the Apple A-number shown for this iMac family. Use the order number, EMC, and model identifier on this page to narrow the exact configuration.

What does EMC 3442 mean?

The EMC number is another Apple hardware identifier. It helps separate closely related models that may share a similar name, year, or A-number.

Can the RAM or SSD be upgraded?

Check the spec table for the exact configuration. Many newer Apple Silicon Macs have memory and storage integrated into the board, so RAM and SSD upgrades are often not practical after purchase.

What macOS versions work with this model?

Use the model identifier, release year, and processor family from the spec table when checking macOS compatibility. Compatibility can change as Apple releases new macOS versions.

Is this iMac still worth buying used?

It can be, depending on price, battery health, memory, storage, and condition. Compare this exact order number and model identifier against similar Techable listings before buying.

How much is this iMac worth?

Value depends on RAM, storage, battery health, cosmetic condition, accessories, and market demand. Use the SellMac path on this page for a quote or use the identifiers here when comparing resale prices.

What should I search if this page is not the exact configuration?

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