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    GeForce 940MX vs GeForce GTX 680M SLI

    In this comparison between GeForce 940MX and GeForce GTX 680M SLI 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 940MX will be the best choice, for others GeForce GTX 680M SLI will be their preference. Study the comparison tables below and make your choice.
    GeForce 940MX Check Price
    GeForce GTX 680M SLI Check Price

    GeForce 940MX and GeForce GTX 680M SLI are Laptop Graphics Cards

    Note: GeForce 940MX and GeForce GTX 680M SLI 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 940MX or GeForce GTX 680M SLI here:

    GeForce 940MX Laptops
    GeForce GTX 680M SLI Laptops

    Main Specs

      GeForce 940MX GeForce GTX 680M SLI
    Power consumption (TDP) 23 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 4 GB 2x 4 GB
    Display Connectors No outputs
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    • GeForce 940MX has 2 GB more memory, than GeForce GTX 680M SLI.
    • Both cards are used in Laptops.
    • GeForce 940MX is build with Maxwell architecture, and GeForce GTX 680M SLI - with Kepler.
    • Core clock speed of GeForce 940MX is 402 MHz higher, than GeForce GTX 680M SLI.
    • GeForce 940MX and GeForce GTX 680M SLI are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 940MX is 400 MHz higher, than GeForce GTX 680M SLI.

    Game benchmarks

    high / 1080p 7−8 35−40
    ultra / 1080p 4−5 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 16−18 60−65
    medium / 1080p 8−9 40−45
    The average gaming FPS of GeForce GTX 680M SLI in Assassin's Creed Odyssey is 355% more, than GeForce 940MX.

    Full Specs

      GeForce 940MX GeForce GTX 680M SLI
    Architecture Maxwell Kepler
    Code name N16S-GTR-B/S N13E-GTX
    Type Laptop Laptop
    Release date 10 March 2016 4 June 2012
    Pipelines 384 2688
    Core clock speed 1122 MHz 720 MHz
    Boost Clock 1242 MHz
    Transistor count 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 23.83
    Floating-point performance 762.6 gflops
    Memory bus width 64 Bit 2x 256 Bit
    Memory clock speed 4000 MHz 3600 MHz
    Memory bandwidth 40.1 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.2
    Vulkan 1.1
    CUDA + +
    Bus support PCI Express 3.0
    SLI options +
    Bitcoin / BTC (SHA256) 102 Mh/s
    Laptop size medium sized large
    Optimus + +
    GPU Boost 2.0
    GameWorks +
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