HWBench.com

    GeForce GTX 675MX vs GeForce GT 750M

    GeForce GTX 675MX
    Memory: 2048Mb GDDR5MOBILE
    Release date: 1 Oct 2012
    GeForce GTX 675MX
    GeForce GT 750M
    Memory: 2048Mb GDDR5MOBILE
    Release date: 9 Jan 2013
    GeForce GT 750M

    Summary

    Reasons to consider GeForce GTX 675MX

    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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

    Reasons to consider GeForce GT 750M

    50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 675MX .
    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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications
    GeForce GTX 675MX

    HWBench recommends GeForce GTX 675MX

    Based on theoretical specifications.

    Specifications

    Core Configuration

    GeForce GTX 675MXGeForce GT 750M
    GPU NameGK104 (N13E-GSR-A2)vsGK107 (N14P-GT)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs118 mm²
    Transistors3,540 millionvs1,270 million
    Shaders960vs384
    Compute Units5vs2
    Core clock600 MHzvs941 MHz
    ROPs32vs16
    TMUs80vs32

    Memory Configuration

    GeForce GTX 675MXGeForce GT 750M
    Memory TypeGDDR5vsGDDR5
    Bus Width256 bitvs128 bit
    Memory Speed900 MHz
    3600 MHz effective    		vs1000 MHz
    4000 MHz effective
    Memory Size2048 Mbvs2048 Mb

    Additional details

    GeForce GTX 675MXGeForce GT 750M
    TDP100 wattsvs50 watts
    Release Date1 Oct 2012vs9 Jan 2013

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 675MX
      12.00 GP/s
    • GeForce GT 750M
      7.53 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 675MX
      48.00 GT/s
    • GeForce GT 750M
      30.11 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 675MX
      115.20 GB/s
    • GeForce GT 750M
      64.00 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 675MX
      1152.00 GFLOPs
    • GeForce GT 750M
      722.70 GFLOPs

    GFLOPs - higher is better

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