Maxwell GPU Surface Book 940M GDDR5 vs Radeon HD 8870M

In this comparison between Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 8870M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Maxwell GPU Surface Book 940M GDDR5 will be the best choice, for others Radeon HD 8870M will be their preference. Study the comparison tables below and make your choice.

Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 8870M are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 8870M 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 8870M here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 8870M
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5, DDR3
Maximum RAM amount 1 GB 2 GB
Display Connectors No outputs
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  • Radeon HD 8870M has 1 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 HD 8870M - with GCN.
  • Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 229 MHz higher, than Radeon HD 8870M.
  • Maxwell GPU Surface Book 940M GDDR5 and Radeon HD 8870M are manufactured by 28 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 512 MHz higher, than Radeon HD 8870M.

Game benchmarks

high / 1080p 9−10 7−8
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 18−20
medium / 1080p 12−14 9−10
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 20% more, than Radeon HD 8870M.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon HD 8870M
Architecture Maxwell GCN
Code name Surface Book Venus
Type Laptop Laptop
Release date 1 October 2015 18 December 2012
Pipelines 384 640
Core clock speed 954 MHz 725 MHz
Boost Clock 993 MHz 775 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 31.00
Floating-point performance 992.0 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 5012 MHz 4500 MHz
Memory bandwidth 72 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0 12 (11_1)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
CUDA +
Bitcoin / BTC (SHA256) 107 Mh/s
Laptop size large
Optimus +
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