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    GeForce GT 640M vs Quadro K4100M

    If you are going to buy a new graphics card and are choosing between GeForce GT 640M and Quadro K4100M, 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 stacks up against Quadro K4100M, check out specs charts below.
    GeForce GT 640M Check Price
    Quadro K4100M Check Price

    GeForce GT 640M and Quadro K4100M are Laptop Graphics Cards

    Note: GeForce GT 640M 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 or Quadro K4100M here:

    GeForce GT 640M Laptops
    Quadro K4100M Laptops

    Main Specs

      GeForce GT 640M Quadro K4100M
    Power consumption (TDP) 32 Watt 100 Watt
    Interface PCIe 3.0 x16 MXM-B (3.0)
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Quadro K4100M has 212% more power consumption, than GeForce GT 640M.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and Quadro K4100M uses MXM-B (3.0) interface.
    • Quadro K4100M has 2 GB more memory, than GeForce GT 640M.
    • GeForce GT 640M is used in Laptops, and Quadro K4100M - in Mobile workstations.
    • GeForce GT 640M and Quadro K4100M are build with Kepler architecture.
    • GeForce GT 640M and Quadro K4100M are manufactured by 28 nm process technology.
    • Memory clock speed of Quadro K4100M is 1400 MHz higher, than GeForce GT 640M.

    Game benchmarks

    high / 1080p 0−1 12−14
    ultra / 1080p 0−1 7−8
    QHD / 1440p 0−1 2−3
    low / 720p 10−12 24−27
    medium / 1080p 2−3 14−16
    The average gaming FPS of Quadro K4100M in Assassin's Creed Odyssey is 233% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M Quadro K4100M
    Architecture Kepler Kepler
    Code name N13P-GS N15E-Q3-A2
    Type Laptop Mobile workstation
    Release date 22 March 2012 23 July 2013
    Pipelines 384 1152
    Core clock speed 706 MHz
    Boost Clock 645 MHz
    Transistor count 1,270 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 67.78
    Floating-point performance 480.0 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 1.1.126 1.1.126
    CUDA + +
    CUDA cores 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) 18 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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