Maxwell GPU Surface Book 940M GDDR5 vs Radeon R7 Carrizo

Find out if it is worth upgrading your current GPU setup by comparing Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 Carrizo. 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 R7 Carrizo. 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 R7 Carrizo are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 Carrizo 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 R7 Carrizo here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R7 Carrizo
Power consumption (TDP) 12-35 Watt
Memory type GDDR5
Maximum RAM amount 1 GB
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  • Both cards are used in Laptops.
  • Maxwell GPU Surface Book 940M GDDR5 is build with Maxwell architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
  • Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 Carrizo are manufactured by 28 nm process technology.

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 5−6
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 114% more, than Radeon R7 Carrizo.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R7 Carrizo
Architecture Maxwell GCN 1.2/2.0
Code name Surface Book Carrizo
Type Laptop Laptop
Release date 1 October 2015 4 June 2015
Pipelines 384 512
Core clock speed 954 MHz
Boost Clock 993 MHz 800 MHz
Transistor count 2410 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 64 Bit 64/128 Bit
Memory clock speed 5012 MHz
Shared memory - +
DirectX DirectX 12 (FL 11_0), Shader 5.0 DirectX 12 (FL 12_0)
CUDA +
Laptop size medium sized
Optimus +
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