Radeon HD 6950 vs Radeon R9 280

If you are going to buy a new graphics card and are choosing between Radeon HD 6950 and Radeon R9 280, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon HD 6950 stacks up against Radeon R9 280, check out specs charts below.

Main Specs

  Radeon HD 6950 Radeon R9 280
Power consumption (TDP) 500 Watt 200 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 3 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6950 has 150% more power consumption, than Radeon R9 280.
  • Radeon HD 6950 is connected by PCIe 2.0 x16, and Radeon R9 280 uses PCIe 3.0 x16 interface.
  • Radeon R9 280 has 1 GB more memory, than Radeon HD 6950.
  • Both cards are used in Desktops.
  • Radeon HD 6950 is build with TeraScale 3 architecture, and Radeon R9 280 - with GCN 1.0.
  • Radeon HD 6950 is manufactured by 40 nm process technology, and Radeon R9 280 - by 28 nm process technology.
  • Radeon R9 280 is 8 mm longer, than Radeon HD 6950.
  • Memory clock speed of Radeon HD 6950 and Radeon R9 280 is 1250 MHz.

Game benchmarks

high / 1080p 14−16 35−40
ultra / 1080p 8−9 21−24
QHD / 1440p 3−4 16−18
4K / 2160p 10−11
low / 720p 27−30 60−65
medium / 1080p 16−18 40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 157% more, than Radeon HD 6950.

Full Specs

  Radeon HD 6950 Radeon R9 280
Architecture TeraScale 3 GCN 1.0
Code name Cayman Tahiti
Type Desktop Desktop
Release date 14 December 2010 4 March 2014
Pipelines 1408 1792
Boost Clock 800 MHz 933 MHz
Transistor count 2,640 million 4,313 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 70.40 104.5
Floating-point performance 2,252.8 gflops 3,344 gflops
Length 267 mm 275 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1250 MHz 1250 MHz
Memory bandwidth 240 GB/s
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan +
FreeSync +
Bus support PCIe 2.0 x16 PCIe 3.0
HDMI + +
Bitcoin / BTC (SHA256) 244 Mh/s 408 Mh/s
Eyefinity + +
HD3D +
TrueAudio +
Design reference reference
CrossFire + +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 21.5 Mh/s
LiquidVR +
TressFX +
UVD +
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