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    Radeon R8 M445DX vs Radeon R9 M390

    In this comparison between Radeon R8 M445DX and Radeon R9 M390 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 R8 M445DX will be the best choice, for others Radeon R9 M390 will be their preference. Study the comparison tables below and make your choice.
    Radeon R8 M445DX Check Price
    Radeon R9 M390 Check Price

    Radeon R8 M445DX and Radeon R9 M390 are Laptop Graphics Cards

    Note: Radeon R8 M445DX and Radeon R9 M390 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 R8 M445DX or Radeon R9 M390 here:

    Radeon R8 M445DX Laptops
    Radeon R9 M390 Laptops

    Main Specs

      Radeon R8 M445DX Radeon R9 M390
    Interface IGP
    Memory type DDR4/DDR3 GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • Both cards are used in Laptops.
    • Radeon R8 M445DX and Radeon R9 M390 are build with GCN architecture.
    • Radeon R8 M445DX and Radeon R9 M390 are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 0−1 18−20
    ultra / 1080p − 10−11
    QHD / 1440p 0−1 5−6
    4K / 2160p − 4−5
    low / 720p 1−2 35−40
    medium / 1080p 0−1 21−24
    The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 3600% more, than Radeon R8 M445DX.

    Full Specs

      Radeon R8 M445DX Radeon R9 M390
    Architecture GCN GCN
    Code name Meso Pitcairn
    Type Laptop Laptop
    Release date 1 June 2016 9 June 2015
    Pipelines 704 1024
    Core clock speed 720 / 1020 MHz
    Boost Clock 1021 MHz
    Transistor count 1,550 million 5000 Million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 20.42
    Memory bus width 128 + 64 Bit 256 Bit
    Memory clock speed 933 / 1000 MHz
    Shared memory - -
    DirectX 12 (12_0)
    Shader Model 6.0
    OpenGL 4.6 4.4
    OpenCL 2.0 Not Listed
    Vulkan 1.2.131
    FreeSync +
    Bus support PCIe 3.0
    Bitcoin / BTC (SHA256) 242 Mh/s
    Laptop size medium sized large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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