Maxwell GPU Surface Book 940M GDDR5 vs Radeon R9 M385

If you are going to buy a new graphics card and are choosing between Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385, 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 Radeon R9 M385, check out specs charts below.

Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385 are Laptop Graphics Cards

Note: Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385 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 R9 M385 here:

Main Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R9 M385
Interface PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 1 GB 4 GB
Display Connectors No outputs
  Check Price Check Price
  • Radeon R9 M385 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 R9 M385 - with GCN.
  • Maxwell GPU Surface Book 940M GDDR5 and Radeon R9 M385 are manufactured by 28 nm process technology.
  • Memory clock speed of Maxwell GPU Surface Book 940M GDDR5 is 3512 MHz higher, than Radeon R9 M385.

Game benchmarks

high / 1080p 9−10 10−12
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 1−2
low / 720p 21−24 24−27
medium / 1080p 12−14 12−14
The average gaming FPS of Radeon R9 M385 in Assassin's Creed Odyssey is 16% more, than Maxwell GPU Surface Book 940M GDDR5.

Full Specs

  Maxwell GPU Surface Book 940M GDDR5 Radeon R9 M385
Architecture Maxwell GCN
Code name Surface Book Strato
Type Laptop Laptop
Release date 1 October 2015 16 June 2015
Pipelines 384 896
Core clock speed 954 MHz
Boost Clock 993 MHz 1100 MHz
Transistor count 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 56.00
Floating-point performance 1,792 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 5012 MHz 1500 MHz
Memory bandwidth 76.8 GB/s
Shared memory - -
DirectX DirectX 12 (FL 11_0), Shader 5.0
Shader Model 6.3
OpenGL 4.4
OpenCL Not Listed
CUDA +
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized
Optimus +
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
TrueAudio +
ZeroCore +
Switchable graphics +
Mantle +
  Check Price Check Price