Radeon R9 M390X vs Radeon RX Vega M GH

When choosing between Radeon R9 M390X and Radeon RX Vega M GH, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon R9 M390X and Radeon RX Vega M GH.

Radeon R9 M390X and Radeon RX Vega M GH are Laptop Graphics Cards

Note: Radeon R9 M390X and Radeon RX Vega M GH 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 Radeon R9 M390X or Radeon RX Vega M GH here:

Main Specs

  Radeon R9 M390X Radeon RX Vega M GH
Power consumption (TDP) 100 Watt 100 Watt
Interface PCIe 3.0 x16 IGP
Supplementary power connectors None
Memory type GDDR5 HBM2
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 100 Watt.
  • Radeon R9 M390X is connected by PCIe 3.0 x16, and Radeon RX Vega M GH uses IGP interface.
  • Radeon R9 M390X and Radeon RX Vega M GH have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • Radeon R9 M390X is build with GCN 3 architecture, and Radeon RX Vega M GH - with Vega.
  • Core clock speed of Radeon RX Vega M GH is 340 MHz higher, than Radeon R9 M390X.
  • Radeon R9 M390X is manufactured by 28 nm process technology, and Radeon RX Vega M GH - by 14 nm process technology.

Game benchmarks

high / 1080p 21−24 35−40
ultra / 1080p 12−14 21−24
QHD / 1440p 8−9 16−18
4K / 2160p 5−6 10−11
low / 720p 40−45 60−65
medium / 1080p 27−30 40−45
The average gaming FPS of Radeon RX Vega M GH in Assassin's Creed Odyssey is 60% more, than Radeon R9 M390X.

Full Specs

  Radeon R9 M390X Radeon RX Vega M GH
Architecture GCN 3 Vega
Code name Amethyst (XT) / Tonga Vega Kaby Lake-G
Type Laptop Laptop
Release date 9 June 2015 7 January 2018
Pipelines 2048 1536
Core clock speed 723 MHz 1063 MHz
Boost Clock 1190 MHz
Transistor count 5,000 million 5,000 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 92.54 114.2
Floating-point performance 2,961 gflops 3,656 gflops
Memory bus width 256 Bit 1024 Bit
Memory clock speed 1600 MHz
Memory bandwidth 160.0 GB/s 204.8 GB/s
Shared memory - -
DirectX 12 (12_0)
Shader Model 6.3 6.4
OpenGL 4.4 4.6
OpenCL Not Listed 2.0
Vulkan + 1.2.131
FreeSync +
Bus support PCIe 3.0
Laptop size large medium sized
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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