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    GeForce GT 640M LE vs GeForce GT 650M

    When choosing between GeForce GT 640M LE and GeForce GT 650M, 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 GT 650M.
    GeForce GT 640M LE Check Price
    GeForce GT 650M Check Price

    GeForce GT 640M LE and GeForce GT 650M are Laptop Graphics Cards

    Note: GeForce GT 640M LE and GeForce GT 650M 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 GT 650M here:

    GeForce GT 640M LE Laptops
    GeForce GT 650M Laptops

    Main Specs

      GeForce GT 640M LE GeForce GT 650M
    Power consumption (TDP) 20 Watt 45 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Memory type DDR3\DDR5 DDR3\GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • GeForce GT 650M has 125% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GT 650M uses PCIe 3.0 x16 interface.
    • GeForce GT 640M LE and GeForce GT 650M have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GT 650M - with Kepler.
    • GeForce GT 640M LE and GeForce GT 650M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M LE and GeForce GT 650M is 1800 MHz.

    Game benchmarks

    high / 1080p 0−1 3−4
    ultra / 1080p − 1−2
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 14−16
    medium / 1080p 0−1 5−6
    The average gaming FPS of GeForce GT 650M in Assassin's Creed Odyssey is 1400% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE GeForce GT 650M
    Architecture Fermi / Kepler Kepler
    Code name N13P-LP N13E-GE
    Type Laptop Laptop
    Release date 22 March 2012 22 March 2012
    Pipelines 384 384
    Boost Clock 900 MHz
    Transistor count 585 million 1,270 million
    Manufacturing process technology 28 nm 28 nm
    Floating-point performance 384.0 gflops 652.8 gflops
    Memory bus width 128bit 128bit
    Memory clock speed 1800 - 4000 MHz 1800 - 4000 MHz
    Shared memory - -
    DirectX 12 API 12 API
    Shader Model 5.1 5.1
    OpenGL 4.5 4.5
    OpenCL 1.1 1.1
    Vulkan N/A 1.1.126
    CUDA + +
    CUDA cores Up to 384 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 2.0, PCI Express 3.0
    HDMI + +
    HDCP + +
    Maximum VGA resolution Up to 2048x1536 Up to 2048x1536
    3D Blu-Ray + +
    Bitcoin / BTC (SHA256) 14 Mh/s 21 Mh/s
    Laptop size medium sized medium sized
    Optimus + +
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