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    GeForce GT 640M LE vs Quadro K4100M

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M LE and Quadro K4100M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GT 640M LE and Quadro K4100M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GT 640M LE Check Price
    Quadro K4100M Check Price

    GeForce GT 640M LE and Quadro K4100M are Laptop Graphics Cards

    Note: GeForce GT 640M LE and Quadro K4100M 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 Quadro K4100M here:

    GeForce GT 640M LE Laptops
    Quadro K4100M Laptops

    Main Specs

      GeForce GT 640M LE Quadro K4100M
    Power consumption (TDP) 20 Watt 100 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Quadro K4100M has 400% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and Quadro K4100M uses MXM-B (3.0) interface.
    • Quadro K4100M has 2 GB more memory, than GeForce GT 640M LE.
    • GeForce GT 640M LE is used in Laptops, and Quadro K4100M - in Mobile workstations.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and Quadro K4100M - with Kepler.
    • GeForce GT 640M LE and Quadro K4100M are manufactured by 28 nm process technology.
    • Memory clock speed of Quadro K4100M is 1400 MHz higher, than GeForce GT 640M LE.

    Game benchmarks

    high / 1080p 0−1 12−14
    ultra / 1080p − 7−8
    QHD / 1440p 0−1 2−3
    low / 720p 1−2 24−27
    medium / 1080p 0−1 14−16
    The average gaming FPS of Quadro K4100M in Assassin's Creed Odyssey is 2400% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE Quadro K4100M
    Architecture Fermi / Kepler Kepler
    Code name N13P-LP N15E-Q3-A2
    Type Laptop Mobile workstation
    Release date 22 March 2012 23 July 2013
    Pipelines 384 1152
    Core clock speed 706 MHz
    Transistor count 585 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 67.78
    Floating-point performance 384.0 gflops 1,627 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz 3200 MHz
    Memory bandwidth 102.4 GB/s
    Shared memory - -
    DirectX 12 API 12
    Shader Model 5.1 5
    OpenGL 4.5 4.5
    OpenCL 1.1 1.2
    Vulkan N/A 1.1.126
    CUDA + +
    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 51 Mh/s
    Laptop size medium sized large
    Optimus + +
    Display Port 1.2
    3D Vision Pro +
    Mosaic +
    nView Display Management +
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