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    GeForce GT 650M vs GeForce 940MX DDR3

    GeForce GT 650M
    Memory: 1024Mb DDR3MOBILE
    Release date: 22 Mar 2012
    GeForce GT 650M
    GeForce 940MX DDR3
    Memory: 2048Mb DDR3MOBILE
    Release date: 1 Jan 2016
    GeForce 940MX DDR3
    You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GT 650M vs GeForce 940MX instead?

    Summary

    Synthetic performance index

    • GeForce GT 650M
      100%
    • GeForce 940MX DDR3
      114%

    Relative performance

    Reasons to consider GeForce GT 650M

    Supports PhysX
    Supports G-Sync
    Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

    Reasons to consider GeForce 940MX DDR3

    This is a much newer product, it might have better long term support.
    Around 14% higher average synthetic performance.
    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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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 940MX DDR3

    HWBench recommends GeForce 940MX DDR3

    The GeForce 940MX DDR3 is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GT 650MGeForce 940MX DDR3
    GPU NameGK107 (N13P-GT-A2)vsGM108 (N16S-GTR-S)
    Fab Process28 nmvs28 nm
    Die Size118 mm²vs0 mm²
    Transistors1,270 millionvsunknown
    Shaders384vs384
    Compute Units2vs3
    Core clock850 MHzvs1122 MHz
    ROPs16vs8
    TMUs32vs24

    Memory Configuration

    GeForce GT 650MGeForce 940MX DDR3
    Memory TypeDDR3vsDDR3
    Bus Width128 bitvs64 bit
    Memory Speed900 MHz
    1800 MHz effective    		vs1001 MHz
    2002 MHz effective
    Memory Size1024 Mbvs2048 Mb

    Additional details

    GeForce GT 650MGeForce 940MX DDR3
    TDP45 wattsvs23 watts
    Release Date22 Mar 2012vs1 Jan 2016

    Raw Performance comparison

    Pixel Rate

    • GeForce GT 650M
      6.80 GP/s
    • GeForce 940MX DDR3
      8.98 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GT 650M
      27.20 GT/s
    • GeForce 940MX DDR3
      26.93 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GT 650M
      28.80 GB/s
    • GeForce 940MX DDR3
      16.02 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GT 650M
      652.80 GFLOPs
    • GeForce 940MX DDR3
      861.70 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GT 650M
      2140
    • GeForce 940MX DDR3
      2450

    Points (higher is better)

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