Subscribe to our YouTube channel ×

    GeForce GT 640M LE vs Quadro P400

    When choosing between GeForce GT 640M LE and Quadro P400, 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 Quadro P400.
    GeForce GT 640M LE Check Price
    Quadro P400 Check Price

    GeForce GT 640M LE is a Laptop Graphics Card

    Note: GeForce GT 640M LE is only used in laptop graphics. It has 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 here:

    GeForce GT 640M LE Laptops

    Main Specs

      GeForce GT 640M LE Quadro P400
    Power consumption (TDP) 20 Watt 30 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors None
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 3x mini-DisplayPort
      Check Price Check Price
    • Quadro P400 has 50% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Quadro P400 uses PCIe 3.0 x16 interface.
    • GeForce GT 640M LE and Quadro P400 have maximum RAM of 2 GB.
    • GeForce GT 640M LE is used in Laptops, and Quadro P400 - in Desktops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Quadro P400 - with Pascal.
    • GeForce GT 640M LE is manufactured by 28 nm process technology, and Quadro P400 - by 14 nm process technology.
    • Memory clock speed of Quadro P400 is 2208 MHz higher, than GeForce GT 640M LE.

    Game benchmarks

    high / 1080p 0−1 7−8
    ultra / 1080p − 4−5
    QHD / 1440p 0−1 0−1
    low / 720p 1−2 18−20
    medium / 1080p 0−1 9−10
    The average gaming FPS of Quadro P400 in Assassin's Creed Odyssey is 1800% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Quadro P400
    Architecture Fermi / Kepler Pascal
    Code name N13P-LP GP107
    Type Laptop Workstation
    Release date 22 March 2012 7 February 2017
    Pipelines 384 256
    Core clock speed 1228 MHz
    Boost Clock 1252 MHz
    Transistor count 585 million 3,300 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 20.03
    Floating-point performance 384.0 gflops 679.9 gflops
    Length 145 mm
    Memory bus width 128bit 64 Bit
    Memory clock speed 1800 - 4000 MHz 4008 MHz
    Memory bandwidth 32.06 GB/s
    Shared memory -
    DirectX 12 API 12 (12_1)
    Shader Model 5.1 6.4
    OpenGL 4.5 4.6
    OpenCL 1.1 1.2
    Vulkan N/A 1.2.131
    CUDA + 6.1
    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 +
      Check Price Check Price

    Similar compares