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    GeForce GT 645M vs GeForce GTX 560M SLI

    When choosing between GeForce GT 645M and GeForce GTX 560M 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 GT 645M and GeForce GTX 560M SLI.
    GeForce GT 645M Check Price
    GeForce GTX 560M SLI Check Price

    GeForce GT 645M and GeForce GTX 560M SLI are Laptop Graphics Cards

    Note: GeForce GT 645M and GeForce GTX 560M 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 GT 645M or GeForce GTX 560M SLI here:

    GeForce GT 645M Laptops
    GeForce GTX 560M SLI Laptops

    Main Specs

      GeForce GT 645M GeForce GTX 560M SLI
    Power consumption (TDP) 32 Watt 100 Watt
    Interface PCIe 3.0 x16
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB
    Display Connectors No outputs
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    • GeForce GTX 560M SLI has 212% more power consumption, than GeForce GT 645M.
    • Both cards are used in Laptops.
    • GeForce GT 645M is build with Kepler architecture, and GeForce GTX 560M SLI - with Fermi.
    • GeForce GT 645M is manufactured by 28 nm process technology, and GeForce GTX 560M SLI - by 40 nm process technology.
    • Memory clock speed of GeForce GT 645M is 550 MHz higher, than GeForce GTX 560M SLI.

    Game benchmarks

    high / 1080p 1−2 16−18
    ultra / 1080p 0−1 9−10
    QHD / 1440p 0−1 4−5
    4K / 2160p − 4−5
    low / 720p 12−14 30−35
    medium / 1080p 2−3 20−22
    The average gaming FPS of GeForce GTX 560M SLI in Assassin's Creed Odyssey is 360% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M GeForce GTX 560M SLI
    Architecture Kepler Fermi
    Code name N13P-GS N12E-GS
    Type Laptop Laptop
    Release date 22 March 2012 6 January 2011
    Pipelines 384 384
    Core clock speed 775 MHz
    Transistor count 1,270 million
    Manufacturing process technology 28 nm 40 nm
    Texture fill rate 22.7 billion/sec
    Floating-point performance 544.5 gflops
    Memory bus width 128bit 192 Bit
    Memory clock speed 1800 MHz 1250 MHz
    Shared memory - -
    DirectX 12 API DirectX 11, Shader 5.0
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 1.1.126
    CUDA +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 19 Mh/s
    Laptop size medium sized large
    Optimus +
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