Radeon HD 5670 vs Radeon HD 6850 X2

In this comparison between Radeon HD 5670 and Radeon HD 6850 X2 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 5670 will be the best choice, for others Radeon HD 6850 X2 will be their preference. Study the comparison tables below and make your choice.

Main Specs

  Radeon HD 5670 Radeon HD 6850 X2
Power consumption (TDP) 64 Watt 254 Watt
Interface PCIe 2.0 x16 PCIe 2.0 x16
Supplementary power connectors None 2x 8-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x VGA 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 296% more power consumption, than Radeon HD 5670.
  • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
  • Radeon HD 6850 X2 has 1 GB more memory, than Radeon HD 5670.
  • Both cards are used in Desktops.
  • Radeon HD 5670 is build with Terascale 2 architecture, and Radeon HD 6850 X2 - with TeraScale 2.
  • Core clock speed of Radeon HD 6850 X2 is 25 MHz higher, than Radeon HD 5670.
  • Radeon HD 5670 and Radeon HD 6850 X2 are manufactured by 40 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 3200 MHz higher, than Radeon HD 5670.

Game benchmarks

high / 1080p 0−1 12−14
ultra / 1080p 7−8
QHD / 1440p 0−1 2−3
low / 720p 1−2 27−30
medium / 1080p 0−1 16−18
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 2700% more, than Radeon HD 5670.

Full Specs

  Radeon HD 5670 Radeon HD 6850 X2
Architecture Terascale 2 TeraScale 2
Code name Redwood Barts
Type Desktop Desktop
Release date 14 January 2010 19 September 2011
Pipelines 400 960
Core clock speed 775 MHz 800 MHz
Transistor count 627 million 1,700 million
Manufacturing process technology 40 nm 40 nm
Texture fill rate 15.50 38.40
Floating-point performance 620.0 gflops 2x 1,536.0 gflops
Length 168 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 1000 MHz 4200 MHz
Memory bandwidth 64 GB/s 134.4 GB/s
DirectX 11.2 (11_0) 11.2 (11_0)
Shader Model 5.0 5.0
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan N/A N/A
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