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    GeForce GT 645M vs Radeon RX Vega M GL

    When choosing between GeForce GT 645M and Radeon RX Vega M GL, 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 Vega M GL.
    GeForce GT 645M Check Price
    Radeon RX Vega M GL Check Price

    GeForce GT 645M and Radeon RX Vega M GL are Laptop Graphics Cards

    Note: GeForce GT 645M and Radeon RX Vega M GL 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 Vega M GL here:

    GeForce GT 645M Laptops
    Radeon RX Vega M GL Laptops

    Main Specs

      GeForce GT 645M Radeon RX Vega M GL
    Power consumption (TDP) 32 Watt 65 Watt
    Interface PCIe 3.0 x16 IGP
    Memory type DDR3\GDDR5 HBM2
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon RX Vega M GL has 103% more power consumption, than GeForce GT 645M.
    • GeForce GT 645M is connected by PCIe 3.0 x16, and Radeon RX Vega M GL uses IGP interface.
    • Radeon RX Vega M GL 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 Vega M GL - with GCN 4.0.
    • GeForce GT 645M is manufactured by 28 nm process technology, and Radeon RX Vega M GL - by 14 nm process technology.
    • Memory clock speed of GeForce GT 645M is 400 MHz higher, than Radeon RX Vega M GL.

    Game benchmarks

    high / 1080p 1−2 16−18
    ultra / 1080p 0−1 10−11
    QHD / 1440p 0−1 4−5
    low / 720p 12−14 35−40
    medium / 1080p 2−3 21−24
    The average gaming FPS of Radeon RX Vega M GL in Assassin's Creed Odyssey is 400% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M Radeon RX Vega M GL
    Architecture Kepler GCN 4.0
    Code name N13P-GS Polaris 22
    Type Laptop Laptop
    Release date 22 March 2012 1 February 2018
    Pipelines 384 1280
    Core clock speed 931 MHz
    Boost Clock 1011 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 22.7 billion/sec 80.88
    Floating-point performance 544.5 gflops 2,588 gflops
    Memory bus width 128bit 1024 Bit
    Memory clock speed 1800 MHz 1400 MHz
    Memory bandwidth 179.2 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 +
    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
    Optimus +
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