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    GeForce GT 640M vs GeForce MX250

    When comparing GeForce GT 640M and GeForce MX250, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640M and GeForce MX250 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GT 640M Check Price
    GeForce MX250 Check Price

    GeForce GT 640M and GeForce MX250 are Laptop Graphics Cards

    Note: GeForce GT 640M and GeForce MX250 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 GeForce MX250 here:

    GeForce GT 640M Laptops
    GeForce MX250 Laptops

    Main Specs

      GeForce GT 640M GeForce MX250
    Power consumption (TDP) 32 Watt 10 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x4
    Supplementary power connectors None
    Memory type DDR3\GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GT 640M has 220% more power consumption, than GeForce MX250.
    • GeForce GT 640M is connected by PCIe 3.0 x16, and GeForce MX250 uses PCIe 3.0 x4 interface.
    • GeForce MX250 has 2 GB more memory, than GeForce GT 640M.
    • Both cards are used in Laptops.
    • GeForce GT 640M is build with Kepler architecture, and GeForce MX250 - with Pascal.
    • GeForce GT 640M is manufactured by 28 nm process technology, and GeForce MX250 - by 14 nm process technology.
    • Memory clock speed of GeForce MX250 is 5200 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 27−30
    medium / 1080p 2−3 16−18
    The average gaming FPS of GeForce MX250 in Assassin's Creed Odyssey is 266% more, than GeForce GT 640M.

    Full Specs

      GeForce GT 640M GeForce MX250
    Architecture Kepler Pascal
    Code name N13P-GS N17S-G2
    Type Laptop Laptop
    Release date 22 March 2012 20 February 2019
    Pipelines 384 384
    Core clock speed 1518 MHz
    Boost Clock 645 MHz 1582 MHz
    Transistor count 1,270 million 1,800 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 24.91
    Floating-point performance 480.0 gflops
    Memory bus width 128bit 64 Bit
    Memory clock speed 1800 - 4000 MHz 7000 MHz
    Memory bandwidth 48.06 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 1.1.126 1.2
    CUDA + 6.1
    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
    Laptop size medium sized large
    Optimus +
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