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    Radeon Pro Vega 20 vs Radeon R9 M390X

    When comparing Radeon Pro Vega 20 and Radeon R9 M390X, 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 Pro Vega 20 and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon Pro Vega 20 Check Price
    Radeon R9 M390X Check Price

    Radeon Pro Vega 20 and Radeon R9 M390X are Laptop Graphics Cards

    Note: Radeon Pro Vega 20 and Radeon R9 M390X 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 Pro Vega 20 or Radeon R9 M390X here:

    Radeon Pro Vega 20 Laptops
    Radeon R9 M390X Laptops

    Main Specs

      Radeon Pro Vega 20 Radeon R9 M390X
    Power consumption (TDP) 100 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin None
    Memory type HBM2 GDDR5
    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.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon Pro Vega 20 and Radeon R9 M390X have maximum RAM of 4 GB.
    • Radeon Pro Vega 20 is used in Mobile workstations, and Radeon R9 M390X - in Laptops.
    • Radeon Pro Vega 20 is build with Vega architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon Pro Vega 20 is 92 MHz higher, than Radeon R9 M390X.
    • Radeon Pro Vega 20 is manufactured by 14 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 35−40 21−24
    ultra / 1080p 21−24 12−14
    QHD / 1440p 16−18 8−9
    4K / 2160p 10−11 5−6
    low / 720p 60−65 40−45
    medium / 1080p 40−45 27−30
    The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 60% more, than Radeon R9 M390X.

    Full Specs

      Radeon Pro Vega 20 Radeon R9 M390X
    Architecture Vega GCN 3
    Code name Vega Mobile Amethyst (XT) / Tonga
    Type Mobile workstation Laptop
    Release date 15 November 2018 9 June 2015
    Pipelines 1280 2048
    Core clock speed 815 MHz 723 MHz
    Boost Clock 1283 MHz
    Transistor count 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 102.6 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 1024 Bit 256 Bit
    Memory clock speed 1480 MHz
    Memory bandwidth 189.4 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 (12_1)
    Shader Model 6.3 6.3
    OpenGL 4.6 4.4
    OpenCL 2.0 Not Listed
    Vulkan 1.2.131 +
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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