Radeon HD 6850 vs Radeon R9 M275

When choosing between Radeon HD 6850 and Radeon R9 M275, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 6850 and Radeon R9 M275.

Radeon R9 M275 is a Laptop Graphics Card

Note: Radeon R9 M275 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 R9 M275 here:

Main Specs

  Radeon HD 6850 Radeon R9 M275
Power consumption (TDP) 127 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort No outputs
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  • Radeon HD 6850 is connected by PCIe 2.0 x16, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
  • Radeon R9 M275 has 3 GB more memory, than Radeon HD 6850.
  • Radeon HD 6850 is used in Desktops, and Radeon R9 M275 - in Laptops.
  • Radeon HD 6850 is build with TeraScale 2 architecture, and Radeon R9 M275 - with GCN.
  • Radeon HD 6850 is manufactured by 40 nm process technology, and Radeon R9 M275 - by 28 nm process technology.

Game benchmarks

high / 1080p 9−10 0−1
ultra / 1080p 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Radeon HD 6850 in Assassin's Creed Odyssey is 112% more, than Radeon R9 M275.

Full Specs

  Radeon HD 6850 Radeon R9 M275
Architecture TeraScale 2 GCN
Code name Barts Venus
Type Desktop Laptop
Release date 21 October 2010 1 August 2014
Pipelines 960 640
Core clock speed 925 MHz
Boost Clock 925 MHz
Transistor count 1,700 million 1,500 million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 37.20 37.00
Floating-point performance 1,488.0 gflops 1,184 gflops
Length 198 mm
Memory bus width 256 Bit 128 Bit
Memory clock speed 4500 MHz
Memory bandwidth 128.0 GB/s 64 GB/s
Shared memory -
DirectX 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan 1.2.131
Bus support AGP
Bitcoin / BTC (SHA256) 139 Mh/s 122 Mh/s
Laptop size large
Eyefinity +
Design reference
CrossFire +
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