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    Radeon Instinct MI25 MxGPU vs Radeon R9 M390X

    When comparing Radeon Instinct MI25 MxGPU 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 Instinct MI25 MxGPU 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 Instinct MI25 MxGPU
    Radeon R9 M390X Check Price

    Radeon R9 M390X is a Laptop Graphics Card

    Note: Radeon R9 M390X 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 M390X here:

    Radeon R9 M390X Laptops

    Main Specs

      Radeon Instinct MI25 MxGPU Radeon R9 M390X
    Power consumption (TDP) 300 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2x 8-pin None
    Memory type HBM2 GDDR5
    Maximum RAM amount 16 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon Instinct MI25 MxGPU has 200% more power consumption, than Radeon R9 M390X.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon Instinct MI25 MxGPU has 12 GB more memory, than Radeon R9 M390X.
    • Radeon Instinct MI25 MxGPU is used in Desktops, and Radeon R9 M390X - in Laptops.
    • Radeon Instinct MI25 MxGPU is build with GCN 5.0 architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon Instinct MI25 MxGPU is 677 MHz higher, than Radeon R9 M390X.
    • Radeon Instinct MI25 MxGPU is manufactured by 14 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 50−55 21−24
    ultra / 1080p 35−40 12−14
    QHD / 1440p 27−30 8−9
    4K / 2160p 16−18 5−6
    low / 720p 80−85 40−45
    medium / 1080p 60−65 27−30
    The average gaming FPS of Radeon Instinct MI25 MxGPU in Assassin's Creed Odyssey is 130% more, than Radeon R9 M390X.

    Full Specs

      Radeon Instinct MI25 MxGPU Radeon R9 M390X
    Architecture GCN 5.0 GCN 3
    Code name Vega 10 Amethyst (XT) / Tonga
    Type Desktop Laptop
    Release date 27 June 2017 9 June 2015
    Pipelines 4096 2048
    Core clock speed 1400 MHz 723 MHz
    Boost Clock 1500 MHz
    Transistor count 12,500 million 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 384.0 92.54
    Floating-point performance 2,961 gflops
    Length 267 mm
    Memory bus width 2048 Bit 256 Bit
    Memory clock speed 1704 MHz
    Memory bandwidth 436.2 GB/s 160.0 GB/s
    Shared memory -
    DirectX 12 (12_1)
    Shader Model 6.4 6.3
    OpenGL 4.6 4.4
    OpenCL 2.0 Not Listed
    Vulkan 1.1.125 +
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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