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    GeForce 9800M GT SLI vs GeForce GTX 660M

    When comparing GeForce 9800M GT SLI and GeForce GTX 660M, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce 9800M GT SLI and GeForce GTX 660M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce 9800M GT SLI Check Price
    GeForce GTX 660M Check Price

    GeForce 9800M GT SLI and GeForce GTX 660M are Laptop Graphics Cards

    Note: GeForce 9800M GT SLI and GeForce GTX 660M 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 GT SLI or GeForce GTX 660M here:

    GeForce 9800M GT SLI Laptops
    GeForce GTX 660M Laptops

    Main Specs

      GeForce 9800M GT SLI GeForce GTX 660M
    Power consumption (TDP) 130 Watt 50 Watt
    Interface MXM-B (3.0)
    Memory type GDDR3 GDDR5
    Maximum RAM amount 512 MB 2 GB
    Display Connectors No outputs
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    • GeForce 9800M GT SLI has 160% more power consumption, than GeForce GTX 660M.
    • GeForce 9800M GT SLI has 510 GB more memory, than GeForce GTX 660M.
    • Both cards are used in Laptops.
    • GeForce 9800M GT SLI is build with G9x architecture, and GeForce GTX 660M - with Kepler.
    • Core clock speed of GeForce GTX 660M is 335 MHz higher, than GeForce 9800M GT SLI.
    • GeForce 9800M GT SLI is manufactured by 65 nm process technology, and GeForce GTX 660M - by 28 nm process technology.
    • Memory clock speed of GeForce GTX 660M is 1200 MHz higher, than GeForce 9800M GT SLI.

    Game benchmarks

    high / 1080p 5−6 6−7
    ultra / 1080p 3−4 4−5
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 16−18
    medium / 1080p 7−8 8−9
    The average gaming FPS of GeForce GTX 660M in Assassin's Creed Odyssey is 28% more, than GeForce 9800M GT SLI.

    Full Specs

      GeForce 9800M GT SLI GeForce GTX 660M
    Architecture G9x Kepler
    Code name NB9E-GT2 N13E-GE
    Type Laptop Laptop
    Release date 15 July 2008 22 March 2012
    Pipelines 192 384
    Core clock speed 500 MHz 835 MHz
    Boost Clock 950 MHz
    Transistor count 1508 Million 1,270 million
    Manufacturing process technology 65 nm 28 nm
    Texture fill rate 30.4 billion/sec
    Floating-point performance 729.6 gflops
    Memory bus width 256 Bit 128bit
    Memory clock speed 800 MHz 2000 MHz
    Memory bandwidth 64.0 GB/s
    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
    Bitcoin / BTC (SHA256) 36 Mh/s
    Laptop size large large
    Optimus +
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