Maxwell GPU Surface Book 940M GDDR5 vs Tesla M6

If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book 940M GDDR5 and Tesla M6, 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 Maxwell GPU Surface Book 940M GDDR5 stacks up against Tesla M6, check out specs charts below.

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 Tesla M6
Power consumption (TDP) 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 8 GB
Display Connectors No outputs
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  • Tesla M6 has 7 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
  • Maxwell GPU Surface Book 940M GDDR5 is used in Laptops, and Tesla M6 - in Desktops.
  • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Tesla M6 - with Maxwell 2.0.
  • Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 24 MHz higher, than Tesla M6.
  • Maxwell GPU Surface Book 940M GDDR5 and Tesla M6 are manufactured by 28 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 and Tesla M6 is 5012 MHz.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 24−27
QHD / 1440p 0−1 20−22
4K / 2160p 10−12
low / 720p 21−24 65−70
medium / 1080p 12−14 45−50
The average gaming FPS of Tesla M6 in Assassin's Creed Odyssey is 266% more, than Maxwell GPU Surface Book 940M GDDR5.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Tesla M6
Architecture Maxwell Maxwell 2.0
Code name Surface Book GM204
Type Laptop Workstation
Release date 1 October 2015 30 August 2015
Pipelines 384 1536
Core clock speed 954 MHz 930 MHz
Boost Clock 993 MHz 1180 MHz
Transistor count 5,200 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 113.3
Floating-point performance 3,625 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 5012 MHz 5012 MHz
Memory bandwidth 160.4 GB/s
Shared memory -
DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (12_1)
Shader Model 6.4
OpenGL 4.6
OpenCL 1.2
Vulkan 1.1.126
CUDA + 5.2
Optimus +
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