Radeon HD 6990M Crossfire vs Radeon HD 7690M XT

In this comparison between Radeon HD 6990M Crossfire and Radeon HD 7690M XT you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 6990M Crossfire will be the best choice, for others Radeon HD 7690M XT will be their preference. Study the comparison tables below and make your choice.

Radeon HD 6990M Crossfire and Radeon HD 7690M XT are Laptop Graphics Cards

Note: Radeon HD 6990M Crossfire and Radeon HD 7690M XT are only used in laptop graphics. They have 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 or Radeon HD 7690M XT here:

Main Specs

  Radeon HD 6990M Crossfire Radeon HD 7690M XT
Power consumption (TDP) 25 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 2x2 GB 2 GB
Display Connectors No outputs
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  • Radeon HD 6990M Crossfire and Radeon HD 7690M XT have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Radeon HD 6990M Crossfire and Radeon HD 7690M XT are build with Terascale 2 architecture.
  • Core clock speed of Radeon HD 7690M XT is 10 MHz higher, than Radeon HD 6990M Crossfire.
  • Radeon HD 6990M Crossfire and Radeon HD 7690M XT are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 7690M XT is 2700 MHz higher, than Radeon HD 6990M Crossfire.

Game benchmarks

high / 1080p 35−40 2−3
ultra / 1080p 21−24 1−2
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 12−14
medium / 1080p 40−45 4−5
The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 720% more, than Radeon HD 7690M XT.

Full Specs

  Radeon HD 6990M Crossfire Radeon HD 7690M XT
Architecture Terascale 2 Terascale 2
Code name Blackcomb XTX Thames XTX
Type Laptop Laptop
Release date 12 July 2011 7 June 2011
Pipelines 2240 480
Core clock speed 715 MHz 725 MHz
Transistor count 2x1700 Million 716 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 17.40
Floating-point performance 696.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 900 MHz 3600 MHz
Memory bandwidth 57.6 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0 11.2 (11_0)
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
Laptop size large medium sized
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