Radeon R9 M390X vs Radeon RX Vega 8 Ryzen 4000

When comparing Radeon R9 M390X and Radeon RX Vega 8 Ryzen 4000, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon R9 M390X and Radeon RX Vega 8 Ryzen 4000 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R9 M390X and Radeon RX Vega 8 Ryzen 4000 are Laptop Graphics Cards

Note: Radeon R9 M390X and Radeon RX Vega 8 Ryzen 4000 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 8 Ryzen 4000 here:

Main Specs

  Radeon R9 M390X Radeon RX Vega 8 Ryzen 4000
Power consumption (TDP) 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs
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  • Both cards are used in Laptops.
  • Radeon R9 M390X is build with GCN 3 architecture, and Radeon RX Vega 8 Ryzen 4000 - with Vega.
  • Radeon R9 M390X is manufactured by 28 nm process technology, and Radeon RX Vega 8 Ryzen 4000 - by 7 nm process technology.

Game benchmarks

high / 1080p 21−24 20−22
ultra / 1080p 12−14 12−14
QHD / 1440p 8−9 6−7
4K / 2160p 5−6 5−6
low / 720p 40−45 35−40
medium / 1080p 27−30 24−27
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 11% more, than Radeon RX Vega 8 Ryzen 4000.

Full Specs

  Radeon R9 M390X Radeon RX Vega 8 Ryzen 4000
Architecture GCN 3 Vega
Code name Amethyst (XT) / Tonga Vega Raven Ridge
Type Laptop Laptop
Release date 9 June 2015 7 January 2020
Pipelines 2048 512
Core clock speed 723 MHz
Boost Clock 1750 MHz
Transistor count 5,000 million
Manufacturing process technology 28 nm 7 nm
Texture fill rate 92.54
Floating-point performance 2,961 gflops
Memory bus width 256 Bit
Memory bandwidth 160.0 GB/s
Shared memory - -
DirectX DirectX 12_1
Shader Model 6.3
OpenGL 4.4
OpenCL Not Listed
Vulkan +
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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