Subscribe to our YouTube channel ×

    GeForce GT 640 vs GeForce GTX 950M

    When choosing between GeForce GT 640 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 640 and GeForce GTX 950M.
    GeForce GT 640 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 GT 640 GeForce GTX 950M
    Power consumption (TDP) 65 Watt 75 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x8
    Supplementary power connectors None
    Memory type DDR3 DDR3 or GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors 1x DVI, 1x HDMI, 1x DisplayPort No outputs
      Check Price Check Price
    • GeForce GTX 950M has 15% more power consumption, than GeForce GT 640.
    • GeForce GT 640 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 640.
    • GeForce GT 640 is used in Desktops, and GeForce GTX 950M - in Laptops.
    • GeForce GT 640 is build with Kepler architecture, and GeForce GTX 950M - with Maxwell.
    • Core clock speed of GeForce GTX 950M is 12 MHz higher, than GeForce GT 640.
    • GeForce GT 640 and GeForce GTX 950M are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GT 640 is 782 MHz higher, than GeForce GTX 950M.

    Game benchmarks

    high / 1080p 2−3 12−14
    ultra / 1080p 1−2 8−9
    QHD / 1440p 0−1 2−3
    low / 720p 14−16 27−30
    medium / 1080p 5−6 16−18
    The average gaming FPS of GeForce GTX 950M in Assassin's Creed Odyssey is 166% more, than GeForce GT 640.

    Full Specs

      GeForce GT 640 GeForce GTX 950M
    Architecture Kepler Maxwell
    Code name GK107 N16P-GT
    Type Desktop Laptop
    Release date 5 June 2012 12 March 2015
    Pipelines 384 640
    Core clock speed 902 MHz 914 MHz
    Boost Clock 1124 MHz
    Transistor count 1,270 million 1,870 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 28.86 44.96
    Floating-point performance 692.7 gflops 1,439 gflops
    Length 145 mm
    Memory bus width 128 Bit 128 Bit
    Memory clock speed 1782 MHz 1000 or 2500 MHz
    Memory bandwidth 28.51 GB/s 32 or 80 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.6 4.5
    OpenCL 1.2 1.2
    Vulkan 1.1.126 1.1.126
    CUDA 3.0 +
    CUDA cores 640
    Bus support PCI Express 3.0
    SLI options +
    HDMI +
    Bitcoin / BTC (SHA256) 24 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 +
      Check Price Check Price

    Similar compares