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    GeForce GT 640M vs Radeon RX Vega M GL

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

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

    Note: GeForce GT 640M 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 640M or Radeon RX Vega M GL here:

    GeForce GT 640M Laptops
    Radeon RX Vega M GL Laptops

    Main Specs

      GeForce GT 640M 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 640M.
    • GeForce GT 640M 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 640M.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and Radeon RX Vega M GL - with GCN 4.0.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon RX Vega M GL - by 14 nm process technology.
    • Memory clock speed of GeForce GT 640M is 400 MHz higher, than Radeon RX Vega M GL.

    Game benchmarks

    high / 1080p 0−1 16−18
    ultra / 1080p 0−1 10−11
    QHD / 1440p 0−1 4−5
    low / 720p 10−12 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 640M.

    Full Specs

      GeForce GT 640M 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 645 MHz 1011 MHz
    Transistor count 1,270 million 5,000 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 80.88
    Floating-point performance 480.0 gflops 2,588 gflops
    Memory bus width 128bit 1024 Bit
    Memory clock speed 1800 - 4000 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) 18 Mh/s
    Laptop size medium sized
    Optimus +
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