Radeon HD 6850 X2 vs Radeon RX Vega M GH

If you are going to buy a new graphics card and are choosing between Radeon HD 6850 X2 and Radeon RX Vega M GH, 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 6850 X2 stacks up against Radeon RX Vega M GH, check out specs charts below.

Radeon RX Vega M GH is a Laptop Graphics Card

Note: Radeon RX Vega M GH is only used in laptop graphics. It has 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 RX Vega M GH here:

Main Specs

  Radeon HD 6850 X2 Radeon RX Vega M GH
Power consumption (TDP) 254 Watt 100 Watt
Interface PCIe 2.0 x16 IGP
Supplementary power connectors 2x 8-pin
Memory type GDDR5 HBM2
Maximum RAM amount 2 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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  • Radeon HD 6850 X2 has 154% more power consumption, than Radeon RX Vega M GH.
  • Radeon HD 6850 X2 is connected by PCIe 2.0 x16, and Radeon RX Vega M GH uses IGP interface.
  • Radeon RX Vega M GH has 2 GB more memory, than Radeon HD 6850 X2.
  • Radeon HD 6850 X2 is used in Desktops, and Radeon RX Vega M GH - in Laptops.
  • Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon RX Vega M GH - with Vega.
  • Core clock speed of Radeon RX Vega M GH is 263 MHz higher, than Radeon HD 6850 X2.
  • Radeon HD 6850 X2 is manufactured by 40 nm process technology, and Radeon RX Vega M GH - by 14 nm process technology.
  • Memory clock speed of Radeon HD 6850 X2 is 2600 MHz higher, than Radeon RX Vega M GH.

Game benchmarks

high / 1080p 12−14 35−40
ultra / 1080p 7−8 21−24
QHD / 1440p 2−3 16−18
4K / 2160p 10−11
low / 720p 27−30 60−65
medium / 1080p 16−18 40−45
The average gaming FPS of Radeon RX Vega M GH in Assassin's Creed Odyssey is 176% more, than Radeon HD 6850 X2.

Full Specs

  Radeon HD 6850 X2 Radeon RX Vega M GH
Architecture TeraScale 2 Vega
Code name Barts Vega Kaby Lake-G
Type Desktop Laptop
Release date 19 September 2011 7 January 2018
Pipelines 960 1536
Core clock speed 800 MHz 1063 MHz
Boost Clock 1190 MHz
Transistor count 1,700 million 5,000 million
Manufacturing process technology 40 nm 14 nm
Texture fill rate 38.40 114.2
Floating-point performance 2x 1,536.0 gflops 3,656 gflops
Memory bus width 256 Bit 1024 Bit
Memory clock speed 4200 MHz 1600 MHz
Memory bandwidth 134.4 GB/s 204.8 GB/s
Shared memory -
DirectX 11.2 (11_0) 12 (12_0)
Shader Model 5.0 6.4
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2.131
Laptop size medium sized
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