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    GeForce 825M vs GeForce GT 640M LE

    If you are going to buy a new graphics card and are choosing between GeForce 825M and GeForce GT 640M LE, 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 825M stacks up against GeForce GT 640M LE, check out specs charts below.
    GeForce 825M Check Price
    GeForce GT 640M LE Check Price

    GeForce 825M and GeForce GT 640M LE are Laptop Graphics Cards

    Note: GeForce 825M and GeForce GT 640M LE 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 825M or GeForce GT 640M LE here:

    GeForce 825M Laptops
    GeForce GT 640M LE Laptops

    Main Specs

      GeForce 825M GeForce GT 640M LE
    Power consumption (TDP) 33 Watt 20 Watt
    Interface PCIe 3.0 x8 PCIe 2.0 x16
    Supplementary power connectors None
    Memory type DDR3 DDR3\DDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs No outputs
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    • GeForce 825M has 65% more power consumption, than GeForce GT 640M LE.
    • GeForce 825M is connected by PCIe 3.0 x8, and GeForce GT 640M LE uses PCIe 2.0 x16 interface.
    • GeForce 825M and GeForce GT 640M LE have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce 825M is build with Kepler architecture, and GeForce GT 640M LE - with Fermi / Kepler.
    • GeForce 825M and GeForce GT 640M LE are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 825M and GeForce GT 640M LE is 1800 MHz.

    Game benchmarks

    high / 1080p 0−1 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 2−3 1−2
    medium / 1080p 0−1 0−1
    The average gaming FPS of GeForce 825M in Assassin's Creed Odyssey is 100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce 825M GeForce GT 640M LE
    Architecture Kepler Fermi / Kepler
    Code name GK208 N13P-LP
    Type Laptop Laptop
    Release date 27 January 2014 22 March 2012
    Pipelines 384 384
    Core clock speed 850 MHz
    Boost Clock 941 MHz
    Transistor count 915 million 585 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.11
    Floating-point performance 722.7 gflops 384.0 gflops
    Memory bus width 64 Bit 128bit
    Memory clock speed 1800 MHz 1800 - 4000 MHz
    Memory bandwidth 14.4 GB/s
    Shared memory - -
    DirectX 12 (11_0) 12 API
    Shader Model 5.1 5.1
    OpenGL 4.6 4.5
    OpenCL 1.2 1.1
    Vulkan 1.1.126 N/A
    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
    Laptop size medium sized medium sized
    Optimus + +
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