Maxwell GPU Surface Book 940M GDDR5 vs Radeon RX Vega M GH

Find out if it is worth upgrading your current GPU setup by comparing Maxwell GPU Surface Book 940M GDDR5 and Radeon RX Vega M GH. 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 RX Vega M GH. 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 RX Vega M GH are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon RX Vega M GH 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 RX Vega M GH here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon RX Vega M GH
Power consumption (TDP) 100 Watt
Interface IGP
Memory type GDDR5 HBM2
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs
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  • Radeon RX Vega M GH has 3 GB more memory, than Maxwell GPU Surface Book 940M GDDR5.
  • Both cards are used in Laptops.
  • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon RX Vega M GH - with Vega.
  • Core clock speed of Radeon RX Vega M GH is 109 MHz higher, than Maxwell GPU Surface Book 940M GDDR5.
  • Maxwell GPU Surface Book 940M GDDR5 is manufactured by 28 nm process technology, and Radeon RX Vega M GH - by 14 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3412 MHz higher, than Radeon RX Vega M GH.

Game benchmarks

high / 1080p 9−10 35−40
ultra / 1080p 5−6 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 21−24 60−65
medium / 1080p 12−14 40−45
The average gaming FPS of Radeon RX Vega M GH in Assassin's Creed Odyssey is 241% more, than Maxwell GPU Surface Book 940M GDDR5.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon RX Vega M GH
Architecture Maxwell Vega
Code name Surface Book Vega Kaby Lake-G
Type Laptop Laptop
Release date 1 October 2015 7 January 2018
Pipelines 384 1536
Core clock speed 954 MHz 1063 MHz
Boost Clock 993 MHz 1190 MHz
Transistor count 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 114.2
Floating-point performance 3,656 gflops
Memory bus width 64 Bit 1024 Bit
Memory clock speed 5012 MHz 1600 MHz
Memory bandwidth 204.8 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (12_0)
Shader Model 6.4
OpenGL 4.6
OpenCL 2.0
Vulkan 1.2.131
CUDA +
Laptop size medium sized
Optimus +
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