HWBench.com

    GeForce 940MX vs GeForce GTX 950M

    GeForce 940MX
    Memory: 2048Mb GDDR5MOBILE
    Release date: 28 Jun 2016
    GeForce 940MX
    GeForce GTX 950M
    Memory: 4096Mb DDR3MOBILE
    Release date: 13 Mar 2015
    GeForce GTX 950M

    Summary

    Reasons to consider GeForce 940MX

    52 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 950M .
    This is a much newer product, it might have better long term support.
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

    Reasons to consider GeForce GTX 950M

    Higher theoretical gaming performance, based on specifications.
    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications
    GeForce GTX 950M

    HWBench recommends GeForce GTX 950M

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce 940MXGeForce GTX 950M
    GPU NameGM108 (N16S-GT1R)vsGM107 (N16P-GT)
    Fab Process28 nmvs28 nm
    Die Size0 mm²vs148 mm²
    Transistorsunknownvs1,870 million
    Shaders384vs640
    Compute Units3vs5
    Core clock795 MHzvs993 MHz
    ROPs8vs16
    TMUs24vs40

    Memory Configuration

    GeForce 940MXGeForce GTX 950M
    Memory TypeGDDR5vsDDR3
    Bus Width64 bitvs128 bit
    Memory Speed1253 MHz
    5012 MHz effective    		vs900 MHz
    1800 MHz effective
    Memory Size2048 Mbvs4096 Mb

    Additional details

    GeForce 940MXGeForce GTX 950M
    TDP23 wattsvs75 watts
    Release Date28 Jun 2016vs13 Mar 2015

    Raw Performance comparison

    Pixel Rate

    • GeForce 940MX
      6.36 GP/s
    • GeForce GTX 950M
      15.89 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce 940MX
      19.08 GT/s
    • GeForce GTX 950M
      39.70 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce 940MX
      40.10 GB/s
    • GeForce GTX 950M
      28.80 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce 940MX
      610.60 GFLOPs
    • GeForce GTX 950M
      1271.00 GFLOPs

    GFLOPs - higher is better

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