Radeon HD 6850 vs Radeon R9 280

In this comparison between Radeon HD 6850 and Radeon R9 280 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 6850 will be the best choice, for others Radeon R9 280 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 6850 Radeon R9 280
Power consumption (TDP) 127 Watt 200 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin 1 x 6-pin + 1 x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 3 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon R9 280 has 57% more power consumption, than Radeon HD 6850.
  • Radeon HD 6850 is connected by PCIe 2.0 x16, and Radeon R9 280 uses PCIe 3.0 x16 interface.
  • Radeon R9 280 has 2 GB more memory, than Radeon HD 6850.
  • Both cards are used in Desktops.
  • Radeon HD 6850 is build with TeraScale 2 architecture, and Radeon R9 280 - with GCN 1.0.
  • Radeon HD 6850 is manufactured by 40 nm process technology, and Radeon R9 280 - by 28 nm process technology.
  • Radeon R9 280 is 77 mm longer, than Radeon HD 6850.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon R9 280 in Assassin's Creed Odyssey is 241% more, than Radeon HD 6850.

Full Specs

  Radeon HD 6850 Radeon R9 280
Architecture TeraScale 2 GCN 1.0
Code name Barts Tahiti
Type Desktop Desktop
Release date 21 October 2010 4 March 2014
Pipelines 960 1792
Boost Clock 933 MHz
Transistor count 1,700 million 4,313 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 37.20 104.5
Floating-point performance 1,488.0 gflops 3,344 gflops
Length 198 mm 275 mm
Memory bus width 256 Bit 384 Bit
Memory clock speed 1250 MHz
Memory bandwidth 128.0 GB/s 240 GB/s
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan +
FreeSync +
Bus support AGP PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 139 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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