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    GeForce GTX 660 vs GeForce GTX 950M

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and GeForce GTX 950M. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 660 and GeForce GTX 950M. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GTX 660 Check Price
    GeForce GTX 950M Check Price

    GeForce GTX 950M is a Laptop Graphics Card

    Note: GeForce GTX 950M is only used in laptop graphics. It has 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 950M here:

    GeForce GTX 950M Laptops

    Main Specs

      GeForce GTX 660 GeForce GTX 950M
    Power consumption (TDP) 140 Watt 75 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors One 6-pin
    Memory type GDDR5 DDR3 or GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort No outputs
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    • GeForce GTX 660 has 86% more power consumption, than GeForce GTX 950M.
    • GeForce GTX 660 is connected by PCIe 3.0 x16, and GeForce GTX 950M uses PCIe 3.0 x8 interface.
    • GeForce GTX 950M has 2 GB more memory, than GeForce GTX 660.
    • GeForce GTX 660 is used in Desktops, and GeForce GTX 950M - in Laptops.
    • GeForce GTX 660 is build with Kepler architecture, and GeForce GTX 950M - with Maxwell.
    • Core clock speed of GeForce GTX 660 is 66 MHz higher, than GeForce GTX 950M.
    • GeForce GTX 660 and GeForce GTX 950M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 950M is 994 MHz higher, than GeForce GTX 660.

    Game benchmarks

    high / 1080p 20−22 12−14
    ultra / 1080p 12−14 8−9
    QHD / 1440p 6−7 2−3
    4K / 2160p 5−6 −
    low / 720p 40−45 27−30
    medium / 1080p 24−27 16−18
    The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 61% more, than GeForce GTX 950M.

    Full Specs

      GeForce GTX 660 GeForce GTX 950M
    Architecture Kepler Maxwell
    Code name GK106 N16P-GT
    Type Desktop Laptop
    Release date 6 September 2012 12 March 2015
    Pipelines 960 640
    Core clock speed 980 MHz 914 MHz
    Boost Clock 1033 MHz 1124 MHz
    Transistor count 2,540 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 78.4 billion/sec 44.96
    Floating-point performance 1,981 gflops 1,439 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 192-bit GDDR5 128 Bit
    Memory clock speed 6.0 GB/s 1000 or 2500 MHz
    Memory bandwidth 144.2 GB/s 32 or 80 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.3 4.5
    OpenCL 1.2 1.2
    Vulkan 1.1.126 1.1.126
    CUDA + +
    CUDA cores 960 640
    Bus support PCI Express 3.0 PCI Express 3.0
    Height 4.376" (11.1 cm)
    SLI options + +
    Multi monitor support 4 displays
    HDMI + +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 66 Mh/s 140 Mh/s
    Laptop size 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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