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    GeForce GT 640M vs Radeon RX 540

    When choosing between GeForce GT 640M and Radeon RX 540, 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 540.
    GeForce GT 640M Check Price
    Radeon RX 540 Check Price

    GeForce GT 640M and Radeon RX 540 are Laptop Graphics Cards

    Note: GeForce GT 640M and Radeon RX 540 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 540 here:

    GeForce GT 640M Laptops
    Radeon RX 540 Laptops

    Main Specs

      GeForce GT 640M Radeon RX 540
    Power consumption (TDP) 32 Watt 65 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs
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    • Radeon RX 540 has 103% more power consumption, than GeForce GT 640M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon RX 540 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 540 - with Polaris.
    • GeForce GT 640M is manufactured by 28 nm process technology, and Radeon RX 540 - by 14 nm process technology.
    • Memory clock speed of Radeon RX 540 is 4200 MHz higher, than GeForce GT 640M.

    Game benchmarks

    high / 1080p 0−1 14−16
    ultra / 1080p 0−1 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 10−12 30−33
    medium / 1080p 2−3 18−20
    The average gaming FPS of Radeon RX 540 in Assassin's Creed Odyssey is 316% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Radeon RX 540
    Architecture Kepler Polaris
    Code name N13P-GS Polaris 12
    Type Laptop Laptop
    Release date 22 March 2012 21 March 2017
    Pipelines 384 512
    Boost Clock 645 MHz 1219 MHz
    Transistor count 1,270 million 1,500 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 39.01
    Floating-point performance 480.0 gflops 1,248 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 - 4000 MHz 6000 MHz
    Memory bandwidth 96 GB/s
    Shared memory - -
    DirectX 12 API 12.0
    Shader Model 5.1 5.0
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan 1.1.126
    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) 18 Mh/s
    Laptop size medium sized large
    Optimus +
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