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    GeForce GTX 660M vs GeForce GTX 880M

    In this comparison between GeForce GTX 660M and GeForce GTX 880M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce GTX 660M will be the best choice, for others GeForce GTX 880M will be their preference. Study the comparison tables below and make your choice.
    GeForce GTX 660M Check Price
    GeForce GTX 880M Check Price

    GeForce GTX 660M and GeForce GTX 880M are Laptop Graphics Cards

    Note: GeForce GTX 660M and GeForce GTX 880M 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 GTX 660M or GeForce GTX 880M here:

    GeForce GTX 660M Laptops
    GeForce GTX 880M Laptops

    Main Specs

      GeForce GTX 660M GeForce GTX 880M
    Power consumption (TDP) 50 Watt 122 Watt
    Interface MXM-B (3.0) MXM-B (3.0)
    Supplementary power connectors None
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 8 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 880M has 144% more power consumption, than GeForce GTX 660M.
    • Both video cards are using MXM-B (3.0) interface connection to a motherboard.
    • GeForce GTX 880M has 6 GB more memory, than GeForce GTX 660M.
    • Both cards are used in Laptops.
    • GeForce GTX 660M and GeForce GTX 880M are build with Kepler architecture.
    • Core clock speed of GeForce GTX 880M is 119 MHz higher, than GeForce GTX 660M.
    • GeForce GTX 660M and GeForce GTX 880M are manufactured by 28 nm process technology.

    Game benchmarks

    high / 1080p 6−7 20−22
    ultra / 1080p 4−5 12−14
    QHD / 1440p 0−1 6−7
    4K / 2160p − 5−6
    low / 720p 16−18 40−45
    medium / 1080p 8−9 24−27
    The average gaming FPS of GeForce GTX 880M in Assassin's Creed Odyssey is 177% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M GeForce GTX 880M
    Architecture Kepler Kepler
    Code name N13E-GE N15E-GX-A2
    Type Laptop Laptop
    Release date 22 March 2012 12 March 2014
    Pipelines 384 1536
    Core clock speed 835 MHz 954 MHz
    Boost Clock 950 MHz 993 MHz
    Transistor count 1,270 million 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec 127.1
    Floating-point performance 729.6 gflops 3,050 gflops
    Memory bus width 128bit 256 Bit
    Memory clock speed 2000 MHz
    Memory bandwidth 64.0 GB/s 160.0 GB/s
    Shared memory - -
    DirectX 12 API 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.5
    OpenCL 1.1 1.1
    Vulkan 1.1.126 1.1.126
    CUDA + +
    CUDA cores 384 1536
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 2.0, PCI Express 3.0
    SLI options + +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 36 Mh/s 96 Mh/s
    Laptop size large large
    Standard memory configuration GDDR5
    eDP 1.2 signal support Up to 3840x2160
    LVDS signal support Up to 1920x1200
    DisplayPort Multimode (DP++) support Up to 3840x2160
    HDCP content protection +
    7.1 channel HD audio on HDMI +
    TrueHD and DTS-HD audio bitstreaming +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus + +
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