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    GeForce 9800M GTX SLI vs GeForce GT 640M LE

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 9800M GTX SLI and GeForce GT 640M LE. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 9800M GTX SLI and GeForce GT 640M LE. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce 9800M GTX SLI Check Price
    GeForce GT 640M LE Check Price

    GeForce 9800M GTX SLI and GeForce GT 640M LE are Laptop Graphics Cards

    Note: GeForce 9800M 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 9800M GTX SLI or GeForce GT 640M LE here:

    GeForce 9800M GTX SLI Laptops
    GeForce GT 640M LE Laptops

    Main Specs

      GeForce 9800M GTX SLI GeForce GT 640M LE
    Power consumption (TDP) 150 Watt 20 Watt
    Interface PCIe 2.0 x16
    Memory type GDDR3 DDR3\DDR5
    Maximum RAM amount 1 GB 2 GB
    Display Connectors No outputs
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    • GeForce 9800M GTX SLI has 650% more power consumption, than GeForce GT 640M LE.
    • GeForce GT 640M LE has 1 GB more memory, than GeForce 9800M GTX SLI.
    • Both cards are used in Laptops.
    • GeForce 9800M GTX SLI is build with G9x architecture, and GeForce GT 640M LE - with Fermi / Kepler.
    • GeForce 9800M 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 9800M GTX SLI.

    Game benchmarks

    high / 1080p 10−11 0−1
    ultra / 1080p 6−7 −
    QHD / 1440p 0−1 0−1
    low / 720p 21−24 1−2
    medium / 1080p 12−14 0−1
    The average gaming FPS of GeForce 9800M GTX SLI in Assassin's Creed Odyssey is 2100% more, than GeForce GT 640M LE.

    Full Specs

      GeForce 9800M GTX SLI GeForce GT 640M LE
    Architecture G9x Fermi / Kepler
    Code name NB9E-GTX N13P-LP
    Type Laptop Laptop
    Release date 15 July 2008 22 March 2012
    Pipelines 224 384
    Core clock speed 500 MHz
    Transistor count 3016 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
    SLI options +
    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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