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    GeForce GTX 580M SLI vs Radeon RX 640

    If you are going to buy a new graphics card and are choosing between GeForce GTX 580M SLI and Radeon RX 640, 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 GTX 580M SLI stacks up against Radeon RX 640, check out specs charts below.
    GeForce GTX 580M SLI Check Price
    Radeon RX 640 Check Price

    GeForce GTX 580M SLI and Radeon RX 640 are Laptop Graphics Cards

    Note: GeForce GTX 580M SLI and Radeon RX 640 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 GTX 580M SLI or Radeon RX 640 here:

    GeForce GTX 580M SLI Laptops
    Radeon RX 640 Laptops

    Main Specs

      GeForce GTX 580M SLI Radeon RX 640
    Power consumption (TDP) 100 Watt 50 Watt
    Interface PCIe 3.0 x8
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort
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    • GeForce GTX 580M SLI has 100% more power consumption, than Radeon RX 640.
    • Both cards are used in Laptops.
    • GeForce GTX 580M SLI is build with Fermi architecture, and Radeon RX 640 - with Polaris.
    • Core clock speed of Radeon RX 640 is 598 MHz higher, than GeForce GTX 580M SLI.
    • GeForce GTX 580M SLI is manufactured by 40 nm process technology, and Radeon RX 640 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 640 is 4500 MHz higher, than GeForce GTX 580M SLI.

    Game benchmarks

    high / 1080p 24−27 5−6
    ultra / 1080p 14−16 3−4
    QHD / 1440p 10−11 2−3
    4K / 2160p 6−7 −
    low / 720p 45−50 16−18
    medium / 1080p 30−35 7−8
    The average gaming FPS of GeForce GTX 580M SLI in Assassin's Creed Odyssey is 271% more, than Radeon RX 640.

    Full Specs

      GeForce GTX 580M SLI Radeon RX 640
    Architecture Fermi Polaris
    Code name N12E-GTX2 Polaris 12
    Type Laptop Laptop
    Release date 6 January 2011 12 August 2019
    Pipelines 768 640
    Core clock speed 620 MHz 1218 MHz
    Boost Clock 1218 MHz
    Transistor count 2,200 million
    Manufacturing process technology 40 nm 14 nm
    Texture fill rate 38.98
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 1500 MHz 6000 MHz
    Memory bandwidth 112.0 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0 12 (12_0)
    Shader Model 6.4
    OpenGL 4.6
    OpenCL 2.0
    Vulkan 1.2.131
    FreeSync +
    Laptop size large large
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