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    GeForce GTX 660M vs GeForce GTX 950M

    When comparing GeForce GTX 660M and GeForce GTX 950M, 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 GTX 660M and GeForce GTX 950M is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 660M Check Price
    GeForce GTX 950M Check Price

    GeForce GTX 660M and GeForce GTX 950M are Laptop Graphics Cards

    Note: GeForce GTX 660M and GeForce GTX 950M 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 950M here:

    GeForce GTX 660M Laptops
    GeForce GTX 950M Laptops

    Main Specs

      GeForce GTX 660M GeForce GTX 950M
    Power consumption (TDP) 50 Watt 75 Watt
    Interface MXM-B (3.0) PCIe 3.0 x8
    Memory type GDDR5 DDR3 or GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • GeForce GTX 950M has 50% more power consumption, than GeForce GTX 660M.
    • GeForce GTX 660M is connected by MXM-B (3.0), and GeForce GTX 950M uses PCIe 3.0 x8 interface.
    • GeForce GTX 950M has 2 GB more memory, than GeForce GTX 660M.
    • Both cards are used in Laptops.
    • GeForce GTX 660M is build with Kepler architecture, and GeForce GTX 950M - with Maxwell.
    • Core clock speed of GeForce GTX 950M is 79 MHz higher, than GeForce GTX 660M.
    • GeForce GTX 660M and GeForce GTX 950M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 660M is 1000 MHz higher, than GeForce GTX 950M.

    Game benchmarks

    high / 1080p 6−7 12−14
    ultra / 1080p 4−5 8−9
    QHD / 1440p 0−1 2−3
    low / 720p 16−18 27−30
    medium / 1080p 8−9 16−18
    The average gaming FPS of GeForce GTX 950M in Assassin's Creed Odyssey is 77% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M GeForce GTX 950M
    Architecture Kepler Maxwell
    Code name N13E-GE N16P-GT
    Type Laptop Laptop
    Release date 22 March 2012 12 March 2015
    Pipelines 384 640
    Core clock speed 835 MHz 914 MHz
    Boost Clock 950 MHz 1124 MHz
    Transistor count 1,270 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec 44.96
    Floating-point performance 729.6 gflops 1,439 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 2000 MHz 1000 or 2500 MHz
    Memory bandwidth 64.0 GB/s 32 or 80 GB/s
    Shared memory - -
    DirectX 12 API 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.5 4.5
    OpenCL 1.1 1.2
    Vulkan 1.1.126 1.1.126
    CUDA + +
    CUDA cores 384 640
    Bus support PCI Express 2.0, PCI Express 3.0 PCI Express 3.0
    SLI options + +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 36 Mh/s 140 Mh/s
    Laptop size large medium sized
    DisplayPort Multimode (DP++) support +
    H.264, VC1, MPEG2 1080p video decoder +
    Optimus + +
    Ethereum / ETH (DaggerHashimoto) 2.5 Mh/s
    GameStream +
    GeForce ShadowPlay +
    GPU Boost 2.0
    GameWorks +
    BatteryBoost +
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