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    GeForce GT 645M vs Radeon RX 560 mobile

    When choosing between GeForce GT 645M and Radeon RX 560 mobile, 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 Radeon RX 560 mobile.
    GeForce GT 645M Check Price
    Radeon RX 560 mobile Check Price

    GeForce GT 645M and Radeon RX 560 mobile are Laptop Graphics Cards

    Note: GeForce GT 645M and Radeon RX 560 mobile 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 Radeon RX 560 mobile here:

    GeForce GT 645M Laptops
    Radeon RX 560 mobile Laptops

    Main Specs

      GeForce GT 645M Radeon RX 560 mobile
    Power consumption (TDP) 32 Watt 55 Watt
    Interface PCIe 3.0 x16 MXM-B (3.0)
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon RX 560 mobile has 71% more power consumption, than GeForce GT 645M.
    • GeForce GT 645M is connected by PCIe 3.0 x16, and Radeon RX 560 mobile uses MXM-B (3.0) interface.
    • Radeon RX 560 mobile has 2 GB more memory, than GeForce GT 645M.
    • Both cards are used in Laptops.
    • GeForce GT 645M is build with Kepler architecture, and Radeon RX 560 mobile - with Polaris.
    • GeForce GT 645M is manufactured by 28 nm process technology, and Radeon RX 560 mobile - by 14 nm process technology.
    • Memory clock speed of Radeon RX 560 mobile is 4200 MHz higher, than GeForce GT 645M.

    Game benchmarks

    high / 1080p 1−2 18−20
    ultra / 1080p 0−1 10−11
    QHD / 1440p 0−1 4−5
    4K / 2160p − 4−5
    low / 720p 12−14 35−40
    medium / 1080p 2−3 21−24
    The average gaming FPS of Radeon RX 560 mobile in Assassin's Creed Odyssey is 420% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M Radeon RX 560 mobile
    Architecture Kepler Polaris
    Code name N13P-GS Polaris 11
    Type Laptop Laptop
    Release date 22 March 2012 5 January 2017
    Pipelines 384 1024
    Core clock speed 1175 MHz
    Boost Clock 1275 MHz
    Transistor count 1,270 million 3,000 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 22.7 billion/sec 58.97
    Floating-point performance 544.5 gflops 2,462 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 MHz 6000 MHz
    Memory bandwidth 96 GB/s
    Shared memory - -
    DirectX 12 API 12 (12_0)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 2.0
    Vulkan 1.1.126 1.2.131
    CUDA +
    FreeSync +
    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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