Radeon HD 6950 vs Radeon HD 6990

In this comparison between Radeon HD 6950 and Radeon HD 6990 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 6950 will be the best choice, for others Radeon HD 6990 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6950 Radeon HD 6990
Power consumption (TDP) 500 Watt 375 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 1x DVI, 4x mini-DisplayPort
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  • Radeon HD 6950 has 33% more power consumption, than Radeon HD 6990.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6950 and Radeon HD 6990 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 6950 and Radeon HD 6990 are build with TeraScale 3 architecture.
  • Radeon HD 6950 and Radeon HD 6990 are manufactured by 40 nm process technology.
  • Radeon HD 6990 is 28 mm longer, than Radeon HD 6950.
  • Memory clock speed of Radeon HD 6990 is 3750 MHz higher, than Radeon HD 6950.

Game benchmarks

high / 1080p 14−16 14−16
ultra / 1080p 8−9 9−10
QHD / 1440p 3−4 3−4
low / 720p 27−30 30−35
medium / 1080p 16−18 18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 7% more, than Radeon HD 6950.

Full Specs

  Radeon HD 6950 Radeon HD 6990
Architecture TeraScale 3 TeraScale 3
Code name Cayman Antilles
Type Desktop Desktop
Release date 14 December 2010 8 March 2011
Pipelines 1408 1536
Core clock speed 830 MHz
Boost Clock 800 MHz
Transistor count 2,640 million 2,640 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 70.40 79.68
Floating-point performance 2,252.8 gflops 2x 2,549.8 gflops
Length 267 mm 295 mm
Memory bus width 256 Bit 256 Bit
Memory clock speed 1250 MHz 5000 MHz
Memory bandwidth 160.0 GB/s
DirectX 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A
Bus support PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 244 Mh/s 265 Mh/s
Eyefinity +
Design reference
CrossFire +
Ethereum / ETH (DaggerHashimoto) 24 Mh/s
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