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    GeForce GT 640M LE vs Radeon RX 540

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M LE and Radeon RX 540, 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 LE stacks up against Radeon RX 540, check out specs charts below.
    GeForce GT 640M LE Check Price
    Radeon RX 540 Check Price

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

    Note: GeForce GT 640M LE 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 LE or Radeon RX 540 here:

    GeForce GT 640M LE Laptops
    Radeon RX 540 Laptops

    Main Specs

      GeForce GT 640M LE Radeon RX 540
    Power consumption (TDP) 20 Watt 65 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs
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    • Radeon RX 540 has 225% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Radeon RX 540 uses PCIe 3.0 x16 interface.
    • Radeon RX 540 has 2 GB more memory, than GeForce GT 640M LE.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Radeon RX 540 - with Polaris.
    • GeForce GT 640M LE 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 LE.

    Game benchmarks

    high / 1080p 0−1 14−16
    ultra / 1080p − 8−9
    QHD / 1440p 0−1 3−4
    low / 720p 1−2 30−33
    medium / 1080p 0−1 18−20
    The average gaming FPS of Radeon RX 540 in Assassin's Creed Odyssey is 3000% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Radeon RX 540
    Architecture Fermi / Kepler Polaris
    Code name N13P-LP Polaris 12
    Type Laptop Laptop
    Release date 22 March 2012 21 March 2017
    Pipelines 384 512
    Boost Clock 1219 MHz
    Transistor count 585 million 1,500 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 39.01
    Floating-point performance 384.0 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 N/A
    CUDA +
    FreeSync +
    CUDA cores Up to 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) 14 Mh/s
    Laptop size medium sized large
    Optimus +
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