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    GeForce 940MX vs GeForce GTX 670

    When comparing GeForce 940MX and GeForce GTX 670, 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 670 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 670 Check Price

    GeForce 940MX is a Laptop Graphics Card

    Note: GeForce 940MX is only used in laptop graphics. It has 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 here:

    GeForce 940MX Laptops

    Main Specs

      GeForce 940MX GeForce GTX 670
    Power consumption (TDP) 23 Watt 170 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Supplementary power connectors None Two 6-pin
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 4 GB 2 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • GeForce GTX 670 has 639% more power consumption, than GeForce 940MX.
    • GeForce 940MX is connected by PCIe 3.0 x8, and GeForce GTX 670 uses PCIe 3.0 x16 interface.
    • GeForce 940MX has 2 GB more memory, than GeForce GTX 670.
    • GeForce 940MX is used in Laptops, and GeForce GTX 670 - in Desktops.
    • GeForce 940MX is build with Maxwell architecture, and GeForce GTX 670 - with Kepler.
    • Core clock speed of GeForce 940MX is 142 MHz higher, than GeForce GTX 670.
    • GeForce 940MX and GeForce GTX 670 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 940MX is 3994 MHz higher, than GeForce GTX 670.

    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 670 in Assassin's Creed Odyssey is 355% more, than GeForce 940MX.

    Full Specs

      GeForce 940MX GeForce GTX 670
    Architecture Maxwell Kepler
    Code name N16S-GTR-B/S GK104
    Type Laptop Desktop
    Release date 10 March 2016 10 May 2012
    Pipelines 384 1344
    Core clock speed 1122 MHz 980 MHz
    Boost Clock 1242 MHz 980 MHz
    Transistor count 1,870 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 23.83 102.5 billion/sec
    Floating-point performance 762.6 gflops 2,459.5 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 64 Bit 256-bit GDDR5
    Memory clock speed 4000 MHz 6.0 GB/s
    Memory bandwidth 40.1 GB/s 192.2 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.2
    OpenCL 1.2 1.2
    Vulkan 1.1 1.1.126
    CUDA + +
    CUDA cores 1344
    Bus support PCI Express 3.0 PCI Express 3.0
    Height 4.376" (11.1 cm)
    SLI options +
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 102 Mh/s 97 Mh/s
    Laptop size medium sized
    Optimus +
    Ethereum / ETH (DaggerHashimoto) 13 Mh/s
    GPU Boost 2.0
    GameWorks +
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