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    GeForce 940MX vs GeForce GTX 670MX SLI

    When comparing GeForce 940MX and GeForce GTX 670MX SLI, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce 940MX and GeForce GTX 670MX SLI is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 940MX Check Price
    GeForce GTX 670MX SLI Check Price

    GeForce 940MX and GeForce GTX 670MX SLI are Laptop Graphics Cards

    Note: GeForce 940MX and GeForce GTX 670MX 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 670MX SLI here:

    GeForce 940MX Laptops
    GeForce GTX 670MX SLI Laptops

    Main Specs

      GeForce 940MX GeForce GTX 670MX SLI
    Power consumption (TDP) 23 Watt 150 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors No outputs
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    • GeForce GTX 670MX SLI has 552% more power consumption, than GeForce 940MX.
    • Both cards are used in Laptops.
    • GeForce 940MX is build with Maxwell architecture, and GeForce GTX 670MX SLI - with Kepler.
    • Core clock speed of GeForce 940MX is 522 MHz higher, than GeForce GTX 670MX SLI.
    • GeForce 940MX and GeForce GTX 670MX SLI are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 940MX is 1200 MHz higher, than GeForce GTX 670MX SLI.

    Game benchmarks

    high / 1080p 7−8 21−24
    ultra / 1080p 4−5 14−16
    QHD / 1440p 0−1 8−9
    4K / 2160p − 5−6
    low / 720p 16−18 40−45
    medium / 1080p 8−9 27−30
    The average gaming FPS of GeForce GTX 670MX SLI in Assassin's Creed Odyssey is 200% more, than GeForce 940MX.

    Full Specs

      GeForce 940MX GeForce GTX 670MX SLI
    Architecture Maxwell Kepler
    Code name N16S-GTR-B/S N13E-GR
    Type Laptop Laptop
    Release date 10 March 2016 1 October 2012
    Pipelines 384 1920
    Core clock speed 1122 MHz 600 MHz
    Boost Clock 1242 MHz
    Transistor count 1,870 million 5080 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 192 Bit
    Memory clock speed 4000 MHz 2800 MHz
    Memory bandwidth 40.1 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 11, Shader 5.1
    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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