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    GeForce GT 755M SLI vs GeForce GTX 660M

    When comparing GeForce GT 755M 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 GT 755M 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 GT 755M SLI Check Price
    GeForce GTX 660M Check Price

    GeForce GT 755M SLI and GeForce GTX 660M are Laptop Graphics Cards

    Note: GeForce GT 755M 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 GT 755M SLI or GeForce GTX 660M here:

    GeForce GT 755M SLI Laptops
    GeForce GTX 660M Laptops

    Main Specs

      GeForce GT 755M SLI GeForce GTX 660M
    Power consumption (TDP) 2x ~50 Watt 50 Watt
    Interface MXM-B (3.0)
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2x 2 GB 2 GB
    Display Connectors No outputs
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    • GeForce GTX 660M has 2400% more power consumption, than GeForce GT 755M SLI.
    • GeForce GT 755M SLI and GeForce GTX 660M have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce GT 755M SLI and GeForce GTX 660M are build with Kepler architecture.
    • Core clock speed of GeForce GT 755M SLI is 145 MHz higher, than GeForce GTX 660M.
    • GeForce GT 755M SLI and GeForce GTX 660M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 755M SLI is 3400 MHz higher, than GeForce GTX 660M.

    Game benchmarks

    high / 1080p 14−16 6−7
    ultra / 1080p 8−9 4−5
    QHD / 1440p 2−3 0−1
    low / 720p 30−35 16−18
    medium / 1080p 18−20 8−9
    The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 100% more, than GeForce GTX 660M.

    Full Specs

      GeForce GT 755M SLI GeForce GTX 660M
    Architecture Kepler Kepler
    Code name N14P-? N13E-GE
    Type Laptop Laptop
    Release date 1 November 2013 22 March 2012
    Pipelines 768 384
    Core clock speed 980 MHz 835 MHz
    Boost Clock 950 MHz
    Transistor count 2x 1300 Million 1,270 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec
    Floating-point performance 729.6 gflops
    Memory bus width 2x 128 Bit 128bit
    Memory clock speed 5400 MHz 2000 MHz
    Memory bandwidth 64.0 GB/s
    Shared memory - -
    DirectX DirectX 11, Shader 5.0 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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