Radeon HD 6970 vs Radeon HD 6990M Crossfire

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6970 and Radeon HD 6990M Crossfire. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 6970 and Radeon HD 6990M Crossfire. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

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 6970 Radeon HD 6990M Crossfire
Power consumption (TDP) 550 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin + 1x 8-pin
Memory type DDR5 GDDR5
Maximum RAM amount 2 GB 2x2 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6970 and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
  • Radeon HD 6970 is used in Desktops, and Radeon HD 6990M Crossfire - in Laptops.
  • Radeon HD 6970 and Radeon HD 6990M Crossfire are build with Terascale 2 architecture.
  • Radeon HD 6970 and Radeon HD 6990M Crossfire are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6970 is 475 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 9−10 21−24
QHD / 1440p 3−4 16−18
4K / 2160p 10−11
low / 720p 30−35 60−65
medium / 1080p 18−20 40−45
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 140% more, than Radeon HD 6970.

Full Specs

  Radeon HD 6970 Radeon HD 6990M Crossfire
Architecture Terascale 2 Terascale 2
Code name Cayman Blackcomb XTX
Type Desktop Laptop
Release date 14 December 2010 12 July 2011
Pipelines 1536 2240
Core clock speed 715 MHz
Boost Clock 880 MHz
Transistor count 2,640 million 2x1700 Million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 84.48
Floating-point performance 2,703.4 gflops
Length 267 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1375 MHz 900 MHz
Shared memory -
DirectX DirectX 11, Shader 5.0
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 273 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
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