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    GeForce 9800M GTS SLI vs GeForce GT 640M

    When choosing between GeForce 9800M GTS SLI and GeForce GT 640M, 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 9800M GTS SLI and GeForce GT 640M.
    GeForce 9800M GTS SLI Check Price
    GeForce GT 640M Check Price

    GeForce 9800M GTS SLI and GeForce GT 640M are Laptop Graphics Cards

    Note: GeForce 9800M GTS SLI and GeForce GT 640M 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 GTS SLI or GeForce GT 640M here:

    GeForce 9800M GTS SLI Laptops
    GeForce GT 640M Laptops

    Main Specs

      GeForce 9800M GTS SLI GeForce GT 640M
    Power consumption (TDP) 150 Watt 32 Watt
    Interface PCIe 3.0 x16
    Memory type GDDR3 DDR3\GDDR5
    Maximum RAM amount 512 MB 2 GB
    Display Connectors No outputs
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    • GeForce 9800M GTS SLI has 368% more power consumption, than GeForce GT 640M.
    • GeForce 9800M GTS SLI has 510 GB more memory, than GeForce GT 640M.
    • Both cards are used in Laptops.
    • GeForce 9800M GTS SLI is build with G9x architecture, and GeForce GT 640M - with Kepler.
    • GeForce 9800M GTS SLI is manufactured by 55/65 nm process technology, and GeForce GT 640M - by 28 nm process technology.
    • Memory clock speed of GeForce GT 640M is 1000 MHz higher, than GeForce 9800M GTS SLI.

    Game benchmarks

    high / 1080p 5−6 0−1
    ultra / 1080p 3−4 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 10−12
    medium / 1080p 7−8 2−3
    The average gaming FPS of GeForce 9800M GTS SLI in Assassin's Creed Odyssey is 83% more, than GeForce GT 640M.

    Full Specs

      GeForce 9800M GTS SLI GeForce GT 640M
    Architecture G9x Kepler
    Code name NB9E-GT N13P-GS
    Type Laptop Laptop
    Release date 15 July 2008 22 March 2012
    Pipelines 128 384
    Core clock speed 600 MHz
    Boost Clock 645 MHz
    Transistor count 1508 Million 1,270 million
    Manufacturing process technology 55/65 nm 28 nm
    Floating-point performance 480.0 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 1.1.126
    CUDA + +
    CUDA cores 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) 18 Mh/s
    Laptop size large medium sized
    Optimus +
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