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    GeForce GT 645M vs GeForce GTX 950M

    When choosing between GeForce GT 645M and GeForce GTX 950M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce GT 645M and GeForce GTX 950M.
    GeForce GT 645M Check Price
    GeForce GTX 950M Check Price

    GeForce GT 645M and GeForce GTX 950M are Laptop Graphics Cards

    Note: GeForce GT 645M 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 GT 645M or GeForce GTX 950M here:

    GeForce GT 645M Laptops
    GeForce GTX 950M Laptops

    Main Specs

      GeForce GT 645M GeForce GTX 950M
    Power consumption (TDP) 32 Watt 75 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Memory type DDR3\GDDR5 DDR3 or GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
      Check Price Check Price
    • GeForce GTX 950M has 134% more power consumption, than GeForce GT 645M.
    • GeForce GT 645M 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 GT 645M.
    • Both cards are used in Laptops.
    • GeForce GT 645M is build with Kepler architecture, and GeForce GTX 950M - with Maxwell.
    • GeForce GT 645M and GeForce GTX 950M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 645M is 800 MHz higher, than GeForce GTX 950M.

    Game benchmarks

    high / 1080p 1−2 12−14
    ultra / 1080p 0−1 8−9
    QHD / 1440p 0−1 2−3
    low / 720p 12−14 27−30
    medium / 1080p 2−3 16−18
    The average gaming FPS of GeForce GTX 950M in Assassin's Creed Odyssey is 280% more, than GeForce GT 645M.

    Full Specs

      GeForce GT 645M GeForce GTX 950M
    Architecture Kepler Maxwell
    Code name N13P-GS N16P-GT
    Type Laptop Laptop
    Release date 22 March 2012 12 March 2015
    Pipelines 384 640
    Core clock speed 914 MHz
    Boost Clock 1124 MHz
    Transistor count 1,270 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 22.7 billion/sec 44.96
    Floating-point performance 544.5 gflops 1,439 gflops
    Memory bus width 128bit 128 Bit
    Memory clock speed 1800 MHz 1000 or 2500 MHz
    Memory bandwidth 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
    3D Blu-Ray +
    Bitcoin / BTC (SHA256) 19 Mh/s 140 Mh/s
    Laptop size medium sized 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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