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    GeForce 940M vs GeForce GTX 580M SLI

    When choosing between GeForce 940M and GeForce GTX 580M SLI, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 940M and GeForce GTX 580M SLI.
    GeForce 940M Check Price
    GeForce GTX 580M SLI Check Price

    GeForce 940M and GeForce GTX 580M SLI are Laptop Graphics Cards

    Note: GeForce 940M and GeForce GTX 580M 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 940M or GeForce GTX 580M SLI here:

    GeForce 940M Laptops
    GeForce GTX 580M SLI Laptops

    Main Specs

      GeForce 940M GeForce GTX 580M SLI
    Power consumption (TDP) 75 Watt 100 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors No outputs
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    • GeForce GTX 580M SLI has 33% more power consumption, than GeForce 940M.
    • Both cards are used in Laptops.
    • GeForce 940M is build with Maxwell architecture, and GeForce GTX 580M SLI - with Fermi.
    • Core clock speed of GeForce 940M is 452 MHz higher, than GeForce GTX 580M SLI.
    • GeForce 940M is manufactured by 28 nm process technology, and GeForce GTX 580M SLI - by 40 nm process technology.
    • Memory clock speed of GeForce 940M is 500 MHz higher, than GeForce GTX 580M SLI.

    Game benchmarks

    high / 1080p 2−3 24−27
    ultra / 1080p 1−2 14−16
    QHD / 1440p 0−1 10−11
    4K / 2160p − 6−7
    low / 720p 12−14 45−50
    medium / 1080p 4−5 30−35
    The average gaming FPS of GeForce GTX 580M SLI in Assassin's Creed Odyssey is 500% more, than GeForce 940M.

    Full Specs

      GeForce 940M GeForce GTX 580M SLI
    Architecture Maxwell Fermi
    Code name N16S-GT-S/B N12E-GTX2
    Type Laptop Laptop
    Release date 12 March 2015 6 January 2011
    Pipelines 384 768
    Core clock speed 1072 MHz 620 MHz
    Boost Clock 1176 MHz
    Transistor count 1,870 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 28.22
    Floating-point performance 903.2 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2000 MHz 1500 MHz
    Memory bandwidth 14.4 GB/s
    Shared memory - -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA +
    Bus support PCI Express 3.0
    Bitcoin / BTC (SHA256) 101 Mh/s
    Laptop size medium sized large
    Optimus +
    GPU Boost 2.0
    GameWorks +
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