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    GeForce GTX 1080 Max Q vs Radeon R9 M390X

    If you are going to buy a new graphics card and are choosing between GeForce GTX 1080 Max Q 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 GeForce GTX 1080 Max Q stacks up against Radeon R9 M390X, check out specs charts below.
    GeForce GTX 1080 Max Q Check Price
    Radeon R9 M390X Check Price

    GeForce GTX 1080 Max Q and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce GTX 1080 Max Q 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 1080 Max Q or Radeon R9 M390X here:

    GeForce GTX 1080 Max Q Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce GTX 1080 Max Q Radeon R9 M390X
    Power consumption (TDP) 150 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors None None
    Memory type GDDR5X GDDR5
    Maximum RAM amount 8 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 1080 Max Q has 50% more power consumption, than Radeon R9 M390X.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • GeForce GTX 1080 Max Q has 4 GB more memory, than Radeon R9 M390X.
    • Both cards are used in Laptops.
    • GeForce GTX 1080 Max Q is build with Pascal architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of GeForce GTX 1080 Max Q is 378 MHz higher, than Radeon R9 M390X.
    • GeForce GTX 1080 Max Q is manufactured by 16 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 GeForce GTX 1080 Max Q in Assassin's Creed Odyssey is 130% more, than Radeon R9 M390X.

    Full Specs

      GeForce GTX 1080 Max Q Radeon R9 M390X
    Architecture Pascal GCN 3
    Code name N17E-G3 Max-Q Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 30 May 2017 9 June 2015
    Pipelines 2560 2048
    Core clock speed 1101 - 1290 MHz 723 MHz
    Boost Clock 1278 - 1468 MHz
    Transistor count 7,200 million 5,000 million
    Manufacturing process technology 16 nm 28 nm
    Texture fill rate 234.9 92.54
    Floating-point performance 7,516 gflops 2,961 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 10000 MHz
    Memory bandwidth 320.3 GB/s 160.0 GB/s
    Shared memory - -
    G-SYNC support +
    VR Ready +
    DirectX 12 (12_1)
    Shader Model 6.4 6.3
    OpenGL 4.6 4.4
    OpenCL 1.2 Not Listed
    Vulkan 1.2.131 +
    CUDA 6.1
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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