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    GeForce GT 640M vs Radeon RX Vega M GH

    When choosing between GeForce GT 640M and Radeon RX Vega M GH, 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 640M and Radeon RX Vega M GH.
    GeForce GT 640M Check Price
    Radeon RX Vega M GH Check Price

    GeForce GT 640M and Radeon RX Vega M GH are Laptop Graphics Cards

    Note: GeForce GT 640M and Radeon RX Vega M GH 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 640M or Radeon RX Vega M GH here:

    GeForce GT 640M Laptops
    Radeon RX Vega M GH Laptops

    Main Specs

      GeForce GT 640M Radeon RX Vega M GH
    Power consumption (TDP) 32 Watt 100 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 GH has 212% more power consumption, than GeForce GT 640M.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and Radeon RX Vega M GH uses IGP interface.
    • Radeon RX Vega M GH has 2 GB more memory, than GeForce GT 640M.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon RX Vega M GH - with Vega.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon RX Vega M GH - by 14 nm process technology.
    • Memory clock speed of GeForce GT 640M is 200 MHz higher, than Radeon RX Vega M GH.

    Game benchmarks

    high / 1080p 0−1 35−40
    ultra / 1080p 0−1 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 10−12 60−65
    medium / 1080p 2−3 40−45
    The average gaming FPS of Radeon RX Vega M GH in Assassin's Creed Odyssey is 766% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon RX Vega M GH
    Architecture Kepler Vega
    Code name N13P-GS Vega Kaby Lake-G
    Type Laptop Laptop
    Release date 22 March 2012 7 January 2018
    Pipelines 384 1536
    Core clock speed 1063 MHz
    Boost Clock 645 MHz 1190 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 114.2
    Floating-point performance 480.0 gflops 3,656 gflops
    Memory bus width 128bit 1024 Bit
    Memory clock speed 1800 - 4000 MHz 1600 MHz
    Memory bandwidth 204.8 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) 18 Mh/s
    Laptop size medium sized medium sized
    Optimus +
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