Radeon HD 6990M Crossfire vs Radeon R9 370

When choosing between Radeon HD 6990M Crossfire and Radeon R9 370, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6990M Crossfire and Radeon R9 370.

Radeon HD 6990M Crossfire is a Laptop Graphics Card

Note: Radeon HD 6990M Crossfire is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6990M Crossfire here:

Main Specs

  Radeon HD 6990M Crossfire Radeon R9 370
Power consumption (TDP) 110 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6990M Crossfire and Radeon R9 370 have maximum RAM of 2 GB.
  • Radeon HD 6990M Crossfire is used in Laptops, and Radeon R9 370 - in Desktops.
  • Radeon HD 6990M Crossfire is build with Terascale 2 architecture, and Radeon R9 370 - with GCN 1.0.
  • Core clock speed of Radeon R9 370 is 210 MHz higher, than Radeon HD 6990M Crossfire.
  • Radeon HD 6990M Crossfire is manufactured by 40 nm process technology, and Radeon R9 370 - by 28 nm process technology.
  • Memory clock speed of Radeon R9 370 is 4700 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 35−40
ultra / 1080p 21−24 21−24
QHD / 1440p 16−18 16−18
4K / 2160p 10−11 10−11
low / 720p 60−65 60−65
medium / 1080p 40−45 40−45
Radeon HD 6990M Crossfire and Radeon R9 370 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Radeon HD 6990M Crossfire Radeon R9 370
Architecture Terascale 2 GCN 1.0
Code name Blackcomb XTX Trinidad
Type Laptop Desktop
Release date 12 July 2011 5 May 2015
Pipelines 2240 1280
Core clock speed 715 MHz 925 MHz
Boost Clock 975 MHz
Transistor count 2x1700 Million 2,800 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 78.00
Floating-point performance 2,496 gflops
Length 221 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 900 MHz 5600 MHz
Memory bandwidth 179.2 GB/s
Shared memory -
DirectX DirectX 11, Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 336 Mh/s
Laptop size large
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