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    GeForce 940A vs GeForce GTX 580M SLI

    If you are going to buy a new graphics card and are choosing between GeForce 940A and GeForce GTX 580M SLI, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce 940A stacks up against GeForce GTX 580M SLI, check out specs charts below.
    GeForce 940A
    GeForce GTX 580M SLI Check Price

    GeForce GTX 580M SLI is a Laptop Graphics Card

    Note: GeForce GTX 580M SLI 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 GTX 580M SLI here:

    GeForce GTX 580M SLI Laptops

    Main Specs

      GeForce 940A GeForce GTX 580M SLI
    Power consumption (TDP) 33 Watt 100 Watt
    Interface PCIe 3.0 x8
    Memory type DDR3 GDDR5
    Maximum RAM amount 1 GB
    Display Connectors No outputs
      Check Price
    • GeForce GTX 580M SLI has 203% more power consumption, than GeForce 940A.
    • GeForce 940A is used in Desktops, and GeForce GTX 580M SLI - in Laptops.
    • GeForce 940A is build with Maxwell architecture, and GeForce GTX 580M SLI - with Fermi.
    • Core clock speed of GeForce 940A is 409 MHz higher, than GeForce GTX 580M SLI.
    • GeForce 940A is manufactured by 28 nm process technology, and GeForce GTX 580M SLI - by 40 nm process technology.
    • Memory clock speed of GeForce 940A is 502 MHz higher, than GeForce GTX 580M SLI.

    Game benchmarks

    high / 1080p 4−5 24−27
    ultra / 1080p 2−3 14−16
    QHD / 1440p 0−1 10−11
    4K / 2160p − 6−7
    low / 720p 14−16 45−50
    medium / 1080p 5−6 30−35
    The average gaming FPS of GeForce GTX 580M SLI in Assassin's Creed Odyssey is 400% more, than GeForce 940A.

    Full Specs

      GeForce 940A GeForce GTX 580M SLI
    Architecture Maxwell Fermi
    Code name GM108 N12E-GTX2
    Type Desktop Laptop
    Release date 13 March 2015 6 January 2011
    Pipelines 384 768
    Core clock speed 1029 MHz 620 MHz
    Boost Clock 1124 MHz
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 17.98
    Floating-point performance 863.2 gflops
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 2002 MHz 1500 MHz
    Memory bandwidth 16.02 GB/s
    Shared memory -
    DirectX 12 (11_0) DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.6
    OpenCL 1.2
    Vulkan 1.1.126
    CUDA 5.0
    Laptop size large
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