Apple iMac 27-Inch “Core i7” 3.8 (5K, 2020; 5700/XT) Specs

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Retina 5K, 27-Inch, 2020 – BTO/CTO – iMac20,2 – A2115 – 3442

About this Apple iMac

Apple unveiled this iMac model on August 4, 2020. It was released along with the other iMac 27-Inch 2020 models. It is a CTO variant of the iMac 27-Inch “Core i7” 3.8 (5K, 2020). The significant difference this model has is its graphics processor. This iMac model can be equipped with Radeon Pro 5700 graphics processor (8 GB GDDR6 VRAM) or a Radeon Pro 5700 XT graphics processor (16 GB GDDR6 VRAM).

The processor of this model is a 3.8 GHz 64-bit Intel Core i7 processor with 8 independent processor cores which makes this significantly faster than its 2019 iMac predecessors. It features 16 GB of shared L3 cache memory. It has 8 GB of easy-to-upgrade RAM with 4 RAM slots. The default internal storage space of this model is 512 GB onboard SSD. A T2 security chip is present in this model to make it more secure.

It has a widescreen 27-Inch LED-backlit 5K Retina display that boosts the color saturation of your images and videos. Additionally, this model supports True Tone technology which is not available in previous iMac models. It features a studio-quality three-mic array to record your clear recordings with a high signal-to-noise ratio and directional beamforming. It also has a 1080p FaceTime HD webcam to record quality videos.

A stereo speaker system is also installed in this iMac. It has a wide range of connectivity options, including 4 USB 3.0 ports, 2 Thunderbolt 3 ports (for wired connections), and Gigabit Ethernet, 802.11ac Wi-Fi, Bluetooth 5.0 (for wireless connectivity). These 2020 27-Inch iMac models come with the Apple Magic Keyboard and the multi-touch Magic Mouse 2. This model uses an aluminum case design which is a tapered-edge model.

This model supports the current version of macOS and originally came with the macOS 10.15.6. The RAM is also upgradeable to up to 128 GB. The standard storage could be configured to higher capacities, including 1 TB, 2 TB, 4 TB, or 8 TB SSD. The VRAM can either be 8 GB GDDR6 or 16 GB GDDR6 with varying graphics processors. This model’s mouse and keyboard are also upgradeable.

3.8 GHz Core i7 (I7-10700K)

8 GB

512 GB SSD

N/A

Storage & Memory

This iMac 27-Inch model features an 8 GB of 2666 MHz DDR4 SD RAM that is upgradeable to 128 GB. It has a shared level 3 cache memory of 16 MB. It has 512 GB SSD standard storage capacity.

Screen Size and Resolution

The screen size of this iMac model is 27-Inch. It is a LED-backlit TFT active matrix Retina 5K display with True Tone technology to provide a better viewing experience. The display resolution is 5120 x 2880. It has 500 nits brightness. The aspect ratio is 16:9. The display of this iMac can be upgraded with Nano texture for an additional cost.

OS & Processor

Apple introduced Core i7 (I7-10700K) 3.8 GHz Comet Lake processor in this iMac. It is a 64-bit 14 nm chip with 8 independent cores. There are two options available for its GPU. One is a Radeon Pro 5700 graphics processor with 8 GB (GDDR6) video memory. The second is Radeon Pro 5700 XT graphics processor with 16 GB (GDDR6) video memory.

You will find this iMac model with a pre-installed macOS of version X 10.15.6 (19G2005). This iMac also supports the current version of macOS Ventura except for the minor Live Captions in FaceTime, Emoji Dictation, and Reference Mode with Sidecar features.

Inclusive Features

Intel 10th Generation Core i7 Comet Lake processor
Two options are available for the GPU configuration (Radeon Pro 5700/5700 XT)
Turbo Boost support
Built-in Retina 5K 27-Inch display
True Tone compatibility
The high native resolution of 5120 x 2880
Wide color DCI-P3 gamut
Display integration with Nano Texture glass
Upgradeable RAM with a total of 4 RAM slots
Shared L3 cache of 16 MB
Upgradeable storage
Security chip T2
1080p FaceTime HD webcam
Upgradeable keyboard and mouse
4 USB 3.0 ports and dual Thunderbolt 3 ports (USB-C)
Gigabit Ethernet, 802.11ac Wi-Fi (backward compatible), and Bluetooth 5.0
Tapered Edge 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 x8
Resolution	5120×2880	Level 2/Level 3 Cache	256k x8, 16 MB
Processor		RAM Type	PC4-21300 DDR4
Processors	1 (8 Cores)	Min. RAM Speed	2666 MHz
Architecture	64-Bit	Standard RAM	8 GB
Speed	3.8 GHz	Maximum RAM	128 GB
Type	Core i7 (I7-10700K)	RAM Slots	4
Processor Upgrade	LGA 1200	Motherboard RAM	None
FPU	Integrated	Graphics
System Bus Speed	8 GT/s	Video Card	Radeon Pro 5700/5700 XT
Cache Bus Speed	3.3 GHz (Built-in)	VRAM Type	Dedicated
ROM/Firmware	EFI	Standard VRAM	8 GB, 16 GB
EFI Architecture	64-Bit	Maximum VRAM	16 GB
Storage		Ports
Standard Storage	512 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	BTO/CTO	Microphone	1 (Built-in)
Apple Subfamily	Retina 5K, 27-Inch, 2020	Headphone	N/A
Apple Model Number	A2115 (EMC 3442)	Sound Out	N/A
Model ID	iMac20,2	Power Adapter	N/A

Identifier reference: TOPROVIDE/A, A2115, EMC 3442, iMac20,2. 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: TOPROVIDE/A
Model Number: A2115
EMC: 3442
Model ID: iMac20,2
Year: 2022

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Next steps

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Common questions

Is TOPROVIDE/A the same as A2115?

Not exactly. TOPROVIDE/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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