Maxwell GPU Surface Book 940M GDDR5 vs Radeon HD 6850

When choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850, 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 Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850.

Maxwell GPU Surface Book 940M GDDR5 is a Laptop Graphics Card

Note: Maxwell GPU Surface Book 940M GDDR5 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 Maxwell GPU Surface Book 940M GDDR5 here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 6850
Power consumption (TDP) 127 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850 have maximum RAM of 1 GB.
  • Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Radeon HD 6850 - in Desktops.
  • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon HD 6850 - with TeraScale 2.
  • Maxwell GPU Surface Book 940M GDDR5 is manufactured by 28 nm process technology, and Radeon HD 6850 - by 40 nm process technology.

Game benchmarks

high / 1080p 9−10 9−10
ultra / 1080p 5−6 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 21−24
medium / 1080p 12−14 12−14
Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 6850
Architecture Maxwell TeraScale 2
Code name Surface Book Barts
Type Laptop Desktop
Release date 1 October 2015 21 October 2010
Pipelines 384 960
Core clock speed 954 MHz
Boost Clock 993 MHz
Transistor count 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 37.20
Floating-point performance 1,488.0 gflops
Length 198 mm
Memory bus width 64 Bit 256 Bit
Memory clock speed 5012 MHz
Memory bandwidth 128.0 GB/s
Shared memory -
DirectX DirectX 12 (FL 11_0), Shader 5.0
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
CUDA +
Bus support AGP
Bitcoin / BTC (SHA256) 139 Mh/s
Optimus +
Eyefinity +
Design reference
CrossFire +
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