Maxwell GPU Surface Book 940M GDDR5 vs Radeon R7 M380

In this comparison between Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 M380 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 R7 M380 will be their preference. Study the comparison tables below and make your choice.

Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 M380 are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 M380 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 M380 here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R7 M380
Interface PCIe 3.0 x16
Memory type GDDR5 DDR3
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs
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  • Radeon R7 M380 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 R7 M380 - with GCN.
  • Core clock speed of Maxwell GPU Surface Book 940M GDDR5 is 39 MHz higher, than Radeon R7 M380.
  • Maxwell GPU Surface Book 940M GDDR5 and Radeon R7 M380 are manufactured by 28 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 4012 MHz higher, than Radeon R7 M380.

Game benchmarks

high / 1080p 9−10 6−7
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 21−24 16−18
medium / 1080p 12−14 8−9
The average gaming FPS of Maxwell GPU Surface Book 940M GDDR5 in Assassin's Creed Odyssey is 33% more, than Radeon R7 M380.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R7 M380
Architecture Maxwell GCN
Code name Surface Book Tropo
Type Laptop Laptop
Release date 1 October 2015 7 May 2015
Pipelines 384 640
Core clock speed 954 MHz 915 MHz
Boost Clock 993 MHz 915 MHz
Transistor count 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 36.60
Floating-point performance 1,171 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 5012 MHz 1000 MHz
Memory bandwidth 32 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0
Shader Model 5.1
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
Compute units 10
AppAcceleration +
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