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    GeForce GTX 660 OEM vs GeForce GTX 745 OEM

    GeForce GTX 660 OEM
    Memory: 1536Mb GDDR5DESKTOP
    Release date: 22 Aug 2012
    GeForce GTX 660 OEM
    GeForce GTX 745 OEM
    Memory: 4096Mb DDR3DESKTOP
    Release date: 18 Feb 2014
    GeForce GTX 745 OEM
    You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GTX 660 vs GeForce GTX 745 OEM instead?

    Summary

    Synthetic performance index

    • GeForce GTX 660 OEM
      216%
    • GeForce GTX 745 OEM
      100%

    Relative performance

    Reasons to consider GeForce GTX 660 OEM

    Around 116% 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    Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

    Reasons to consider GeForce GTX 745 OEM

    75 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 660 OEM .
    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    Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications
    GeForce GTX 660 OEM

    HWBench recommends GeForce GTX 660 OEM

    The GeForce GTX 660 OEM is the better performing card based on the synthetic benchmarks used (1 benchmarks).

    Specifications

    Core Configuration

    GeForce GTX 660 OEMGeForce GTX 745 OEM
    GPU NameGK104 (GK104-200-KD-A2)vsGM107 (GM107-300-A2)
    Fab Process28 nmvs28 nm
    Die Size294 mm²vs148 mm²
    Transistors3,540 millionvs1,870 million
    Shaders1152vs384
    Compute Units6vs3
    Core clock823 MHzvs1033 MHz
    ROPs24vs16
    TMUs96vs24

    Memory Configuration

    GeForce GTX 660 OEMGeForce GTX 745 OEM
    Memory TypeGDDR5vsDDR3
    Bus Width192 bitvs128 bit
    Memory Speed1400 MHz
    5600 MHz effective    		vs900 MHz
    1800 MHz effective
    Memory Size1536 Mbvs4096 Mb

    Additional details

    GeForce GTX 660 OEMGeForce GTX 745 OEM
    TDP130 wattsvs55 watts
    Release Date22 Aug 2012vs18 Feb 2014

    Raw Performance comparison

    Pixel Rate

    • GeForce GTX 660 OEM
      19.80 GP/s
    • GeForce GTX 745 OEM
      16.50 GP/s

    GigaPixels - higher is better

    Texel Rate

    • GeForce GTX 660 OEM
      79.00 GT/s
    • GeForce GTX 745 OEM
      24.80 GT/s

    GigaTexels - higher is better

    Memory bandwidth

    • GeForce GTX 660 OEM
      134.00 GB/s
    • GeForce GTX 745 OEM
      28.80 GB/s

    GB/s - higher is better

    Single precision performance

    • GeForce GTX 660 OEM
      1896.00 GFLOPs
    • GeForce GTX 745 OEM
      793.30 GFLOPs

    GFLOPs - higher is better

    Synthetic benchmarks

    3DMark 11

    • GeForce GTX 660 OEM
      6800
    • GeForce GTX 745 OEM
      3140

    Points (higher is better)

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