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    GeForce GTX 680M SLI vs Radeon R9 M390X

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 680M SLI and Radeon R9 M390X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 680M SLI and Radeon R9 M390X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GTX 680M SLI Check Price
    Radeon R9 M390X Check Price

    GeForce GTX 680M SLI and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce GTX 680M SLI 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 680M SLI or Radeon R9 M390X here:

    GeForce GTX 680M SLI Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce GTX 680M SLI Radeon R9 M390X
    Power consumption (TDP) 100 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2x 4 GB 4 GB
    Display Connectors No outputs
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    • Radeon R9 M390X has 2 GB more memory, than GeForce GTX 680M SLI.
    • Both cards are used in Laptops.
    • GeForce GTX 680M SLI is build with Kepler architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon R9 M390X is 3 MHz higher, than GeForce GTX 680M SLI.
    • GeForce GTX 680M SLI 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 GeForce GTX 680M SLI in Assassin's Creed Odyssey is 60% more, than Radeon R9 M390X.

    Full Specs

      GeForce GTX 680M SLI Radeon R9 M390X
    Architecture Kepler GCN 3
    Code name N13E-GTX Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 4 June 2012 9 June 2015
    Pipelines 2688 2048
    Core clock speed 720 MHz 723 MHz
    Transistor count 5,000 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 2x 256 Bit 256 Bit
    Memory clock speed 3600 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0
    Shader Model 6.3
    OpenGL 4.4
    OpenCL Not Listed
    Vulkan +
    CUDA +
    FreeSync +
    Bus support PCIe 3.0
    SLI options +
    Laptop size large large
    Optimus +
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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