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    GeForce 8800M GTX SLI vs GeForce GT 640M LE

    If you are going to buy a new graphics card and are choosing between GeForce 8800M GTX SLI 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 8800M GTX SLI stacks up against GeForce GT 640M LE, check out specs charts below.
    GeForce 8800M GTX SLI Check Price
    GeForce GT 640M LE Check Price

    GeForce 8800M GTX SLI and GeForce GT 640M LE are Laptop Graphics Cards

    Note: GeForce 8800M GTX SLI 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 8800M GTX SLI or GeForce GT 640M LE here:

    GeForce 8800M GTX SLI Laptops
    GeForce GT 640M LE Laptops

    Main Specs

      GeForce 8800M GTX SLI GeForce GT 640M LE
    Power consumption (TDP) 130 Watt 20 Watt
    Interface PCIe 2.0 x16
    Memory type GDDR3 DDR3\DDR5
    Maximum RAM amount 512 MB 2 GB
    Display Connectors No outputs
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    • GeForce 8800M GTX SLI has 550% more power consumption, than GeForce GT 640M LE.
    • GeForce 8800M GTX SLI has 510 GB more memory, than GeForce GT 640M LE.
    • Both cards are used in Laptops.
    • GeForce 8800M GTX SLI is build with G9x architecture, and GeForce GT 640M LE - with Fermi / Kepler.
    • GeForce 8800M GTX SLI is manufactured by 65 nm process technology, and GeForce GT 640M LE - by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M LE is 1000 MHz higher, than GeForce 8800M GTX SLI.

    Game benchmarks

    high / 1080p 6−7 0−1
    ultra / 1080p 4−5 −
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 1−2
    medium / 1080p 7−8 0−1
    The average gaming FPS of GeForce 8800M GTX SLI in Assassin's Creed Odyssey is 1600% more, than GeForce GT 640M LE.

    Full Specs

      GeForce 8800M GTX SLI GeForce GT 640M LE
    Architecture G9x Fermi / Kepler
    Code name NB8E-GTX N13P-LP
    Type Laptop Laptop
    Release date 19 November 2007 22 March 2012
    Pipelines 192 384
    Core clock speed 500 MHz
    Transistor count 1508 Million 585 million
    Manufacturing process technology 65 nm 28 nm
    Floating-point performance 384.0 gflops
    Memory bus width 256 Bit 128bit
    Memory clock speed 800 MHz 1800 - 4000 MHz
    Shared memory - -
    DirectX DirectX 10, Shader 4.0 12 API
    Shader Model 5.1
    OpenGL 4.5
    OpenCL 1.1
    Vulkan 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 large medium sized
    Optimus +
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