Maxwell GPU Surface Book 940M GDDR5 vs Radeon HD 6850M

Find out if it is worth upgrading your current GPU setup by comparing Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850M are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850M are only used in laptop graphics. They have 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 or Radeon HD 6850M here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 6850M
Power consumption (TDP) 50 Watt
Interface PCIe 2.0 x16
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 1 GB 1 GB
Display Connectors No outputs
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  • Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 6850M have maximum RAM of 1 GB.
  • Both cards are used in Laptops.
  • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon HD 6850M - with Terascale 2.
  • Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 379 MHz higher, than Radeon HD 6850M.
  • Maxwell GPU Surface Book 940M GDDR5 is manufactured by 28 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 4212 MHz higher, than Radeon HD 6850M.

Game benchmarks

high / 1080p 9−10 2−3
ultra / 1080p 5−6 0−1
QHD / 1440p 0−1 0−1
low / 720p 21−24 12−14
medium / 1080p 12−14 3−4
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 150% more, than Radeon HD 6850M.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 6850M
Architecture Maxwell Terascale 2
Code name Surface Book Granville Pro/LP
Type Laptop Laptop
Release date 1 October 2015 6 January 2011
Pipelines 384 800
Core clock speed 954 MHz 575 / 675 MHz
Boost Clock 993 MHz
Transistor count 1,040 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 27.00
Floating-point performance 1,080.0 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 5012 MHz 800 MHz
Memory bandwidth 25.6 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0 11.2 (11_0)
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
CUDA +
Laptop size large
Optimus +
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