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    GeForce GT 640M LE vs GeForce GTX 880M

    When choosing between GeForce GT 640M LE and GeForce GTX 880M, 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 GTX 880M.
    GeForce GT 640M LE Check Price
    GeForce GTX 880M Check Price

    GeForce GT 640M LE and GeForce GTX 880M are Laptop Graphics Cards

    Note: GeForce GT 640M LE and GeForce GTX 880M 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 GTX 880M here:

    GeForce GT 640M LE Laptops
    GeForce GTX 880M Laptops

    Main Specs

      GeForce GT 640M LE GeForce GTX 880M
    Power consumption (TDP) 20 Watt 122 Watt
    Interface PCIe 2.0 x16 MXM-B (3.0)
    Supplementary power connectors None
    Memory type DDR3\DDR5 GDDR5
    Maximum RAM amount 2 GB 8 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 880M has 510% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE is connected by PCIe 2.0 x16, and GeForce GTX 880M uses MXM-B (3.0) interface.
    • GeForce GTX 880M has 6 GB more memory, than GeForce GT 640M LE.
    • Both cards are used in Laptops.
    • GeForce GT 640M LE is build with Fermi / Kepler architecture, and GeForce GTX 880M - with Kepler.
    • GeForce GT 640M LE and GeForce GTX 880M are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 0−1 20−22
    ultra / 1080p − 12−14
    QHD / 1440p 0−1 6−7
    4K / 2160p − 5−6
    low / 720p 1−2 40−45
    medium / 1080p 0−1 24−27
    The average gaming FPS of GeForce GTX 880M in Assassin's Creed Odyssey is 4100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce GT 640M LE GeForce GTX 880M
    Architecture Fermi / Kepler Kepler
    Code name N13P-LP N15E-GX-A2
    Type Laptop Laptop
    Release date 22 March 2012 12 March 2014
    Pipelines 384 1536
    Core clock speed 954 MHz
    Boost Clock 993 MHz
    Transistor count 585 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 127.1
    Floating-point performance 384.0 gflops 3,050 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 1800 - 4000 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory - -
    DirectX 12 API 12 (11_0)
    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 1536
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 2.0, PCI Express 3.0
    SLI options +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 14 Mh/s 96 Mh/s
    Laptop size medium sized large
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus + +
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