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    GeForce GT 640M LE vs GeForce MX450

    When choosing between GeForce GT 640M LE and GeForce MX450, 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 LE and GeForce MX450.
    GeForce GT 640M LE Check Price
    GeForce MX450 Check Price

    GeForce GT 640M LE and GeForce MX450 are Laptop Graphics Cards

    Note: GeForce GT 640M LE and GeForce MX450 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 GeForce MX450 here:

    GeForce GT 640M LE Laptops
    GeForce MX450 Laptops

    Main Specs

      GeForce GT 640M LE GeForce MX450
    Power consumption (TDP) 20 Watt 50 Watt
    Interface PCIe 2.0 x16 PCIe 4.0 x4
    Supplementary power connectors None
    Memory type DDR3\DDR5 GDDR5,GDDR6
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • GeForce MX450 has 150% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce MX450 uses PCIe 4.0 x4 interface.
    • GeForce GT 640M LE and GeForce MX450 have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce MX450 - with Turing.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and GeForce MX450 - by 12 nm process technology.
    • Memory clock speed of GeForce MX450 is 8202 MHz higher, than GeForce GT 640M LE.

    Game benchmarks

    high / 1080p 0−1 16−18
    ultra / 1080p − 10−11
    QHD / 1440p 0−1 4−5
    low / 720p 1−2 35−40
    medium / 1080p 0−1 21−24
    The average gaming FPS of GeForce MX450 in Assassin's Creed Odyssey is 3600% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE GeForce MX450
    Architecture Fermi / Kepler Turing
    Code name N13P-LP N17S-G5 / GP107-670-A1
    Type Laptop Laptop
    Release date 22 March 2012 1 August 2020
    Pipelines 384 896
    Core clock speed 1395 MHz
    Boost Clock 1575 MHz
    Transistor count 585 million 4,700 million
    Manufacturing process technology 28 nm 12 nm
    Texture fill rate 100.8
    Floating-point performance 384.0 gflops
    Memory bus width 128bit 64 Bit
    Memory clock speed 1800 - 4000 MHz 10002 MHz
    Memory bandwidth 64.03 GB/s
    Shared memory - -
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.5
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan N/A 1.2
    CUDA + 7.5
    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
    Optimus + +
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