Radeon R9 M375X vs Radeon R9 M385X

In this comparison between Radeon R9 M375X and Radeon R9 M385X 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 Radeon R9 M375X will be the best choice, for others Radeon R9 M385X will be their preference. Study the comparison tables below and make your choice.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X is only used in laptop graphics. It has 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 Radeon R9 M385X here:

Main Specs

  Radeon R9 M375X Radeon R9 M385X
Interface PCIe 3.0 x16 PCIe 3.0 x16
Memory type GDDR5 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • Radeon R9 M375X and Radeon R9 M385X have maximum RAM of 4 GB.
  • Radeon R9 M375X is used in Desktops, and Radeon R9 M385X - in Laptops.
  • Radeon R9 M375X is build with GCN 1.0 architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 175 MHz higher, than Radeon R9 M375X.
  • Radeon R9 M375X and Radeon R9 M385X are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon R9 M385X is 375 MHz higher, than Radeon R9 M375X.

Game benchmarks

high / 1080p 9−10 8−9
ultra / 1080p 5−6 5−6
QHD / 1440p 0−1 0−1
low / 720p 21−24 18−20
medium / 1080p 12−14 10−11
The average gaming FPS of Radeon R9 M375X in Assassin's Creed Odyssey is 20% more, than Radeon R9 M385X.

Full Specs

  Radeon R9 M375X Radeon R9 M385X
Architecture GCN 1.0 GCN
Code name Tropo Strato-XT-M3
Type Desktop Laptop
Release date 5 May 2015 16 June 2015
Pipelines 640 896
Core clock speed 925 MHz 1100 MHz
Boost Clock 1015 MHz 1100 MHz
Transistor count 1,500 million 2,080 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 40.60 61.60
Floating-point performance 1,299 gflops 1,971 gflops
Memory bus width 128 Bit 128 Bit
Memory clock speed 1125 MHz 1500 MHz
Memory bandwidth 72 GB/s 76.8 GB/s
Shared memory -
Shader Model 5.1 6.3
OpenGL 4.4 4.4
OpenCL Not Listed Not Listed
FreeSync + +
Bus support PCIe 3.0 PCIe 3.0
Laptop size large
Eyefinity + +
HD3D + +
PowerTune + +
DualGraphics + +
ZeroCore + +
Switchable graphics + +
Mantle + +
Compute units 10
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