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    GeForce GTX 670MX vs Radeon R9 M390X

    In this comparison between GeForce GTX 670MX and Radeon R9 M390X 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 GeForce GTX 670MX will be the best choice, for others Radeon R9 M390X will be their preference. Study the comparison tables below and make your choice.
    GeForce GTX 670MX Check Price
    Radeon R9 M390X Check Price

    GeForce GTX 670MX and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce GTX 670MX 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 GeForce GTX 670MX or Radeon R9 M390X here:

    GeForce GTX 670MX Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce GTX 670MX Radeon R9 M390X
    Power consumption (TDP) 75 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 3 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon R9 M390X has 33% more power consumption, than GeForce GTX 670MX.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon R9 M390X has 1 GB more memory, than GeForce GTX 670MX.
    • Both cards are used in Laptops.
    • GeForce GTX 670MX is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon R9 M390X is 123 MHz higher, than GeForce GTX 670MX.
    • GeForce GTX 670MX and Radeon R9 M390X are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 8−9 21−24
    ultra / 1080p 5−6 12−14
    QHD / 1440p 0−1 8−9
    4K / 2160p − 5−6
    low / 720p 20−22 40−45
    medium / 1080p 10−12 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 136% more, than GeForce GTX 670MX.

    Full Specs

      GeForce GTX 670MX Radeon R9 M390X
    Architecture Kepler GCN 3
    Code name N13E-GR Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 1 October 2012 9 June 2015
    Pipelines 960 2048
    Core clock speed 600 MHz 723 MHz
    Transistor count 3,540 million 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 48.0 billion/sec 92.54
    Floating-point performance 1,154 gflops 2,961 gflops
    Memory bus width 192 Bit 256 Bit
    Memory clock speed 1400 MHz
    Memory bandwidth 67.2 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.4
    OpenCL 1.1 Not Listed
    Vulkan 1.1.126 +
    CUDA +
    FreeSync +
    CUDA cores 960
    Bus support PCI Express 2.0 PCIe 3.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Laptop size large large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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