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    Radeon R9 380X vs Radeon R9 M390X

    If you are going to buy a new graphics card and are choosing between Radeon R9 380X and Radeon R9 M390X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R9 380X stacks up against Radeon R9 M390X, check out specs charts below.
    Radeon R9 380X Check Price
    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 R9 380X Radeon R9 M390X
    Power consumption (TDP) 190 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB 4 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
      Check Price Check Price
    • Radeon R9 380X has 90% more power consumption, than Radeon R9 M390X.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 380X and Radeon R9 M390X have maximum RAM of 4 GB.
    • Radeon R9 380X is used in Desktops, and Radeon R9 M390X - in Laptops.
    • Radeon R9 380X is build with GCN 3.0 architecture, and Radeon R9 M390X - with GCN 3.
    • Radeon R9 380X and Radeon R9 M390X are manufactured 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 R9 380X in Assassin's Creed Odyssey is 60% more, than Radeon R9 M390X.

    Full Specs

      Radeon R9 380X Radeon R9 M390X
    Architecture GCN 3.0 GCN 3
    Code name Antigua Amethyst (XT) / Tonga
    Type Desktop Laptop
    Release date 19 November 2015 9 June 2015
    Pipelines 2048 2048
    Core clock speed 723 MHz
    Boost Clock 970 MHz
    Transistor count 5,000 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 124.2 92.54
    Floating-point performance 3,973 gflops 2,961 gflops
    Length 221 mm
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 970 MHz
    Memory bandwidth 182.4 GB/s 160.0 GB/s
    Shared memory -
    Shader Model 6.3 6.3
    OpenGL 4.5 4.4
    OpenCL 2.0 Not Listed
    Vulkan + +
    Monero / XMR (CryptoNight) 0.58 kh/s
    FreeSync + +
    Bus support PCIe 3.0 PCIe 3.0
    HDMI +
    Laptop size large
    Eyefinity + +
    HD3D + +
    PowerTune + +
    DualGraphics +
    TrueAudio +
    ZeroCore + +
    Switchable graphics +
    Mantle + +
    Design reference
    Bridgeless CrossFire +
    Number of Eyefinity displays 6
    DisplayPort support +
    CrossFire +
    VCE +
    DDMA audio +
    Decred / DCR (Decred) 0.89 Gh/s
    Ethereum / ETH (DaggerHashimoto) 20.63 Mh/s
    Zcash / ZEC (Equihash) 175 Sol/s
    Compute units 32
    Form factor full height / full length
    High bandwidth memory (HBM) -
    LiquidVR +
    FRTC +
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