GeForce GTX 660 vs GeForce GTX 745 OEM

GeForce GTX 660
Memory: 2048Mb GDDR5DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660
GeForce GTX 745 OEM
Memory: 4096Mb DDR3DESKTOP
Release date: 18 Feb 2014
GeForce GTX 745 OEM

Summary

Synthetic performance index

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

Relative performance

Reasons to consider GeForce GTX 660

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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

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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications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

HWBench recommends GeForce GTX 660

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


Specifications

Core Configuration

GeForce GTX 660GeForce GTX 745 OEM
GPU NameGK106 (GK106-400-A1)vsGM107 (GM107-300-A2)
Fab Process28 nmvs28 nm
Die Size221 mm²vs148 mm²
Transistors2,540 millionvs1,870 million
Shaders960vs384
Compute Units5vs3
Core clock980 MHzvs1033 MHz
ROPs24vs16
TMUs80vs24

Memory Configuration

GeForce GTX 660GeForce GTX 745 OEM
Memory TypeGDDR5vsDDR3
Bus Width192 bitvs128 bit
Memory Speed1502 MHz
6008 MHz effective
vs900 MHz
1800 MHz effective
Memory Size2048 Mbvs4096 Mb

Additional details

GeForce GTX 660GeForce GTX 745 OEM
TDP140 wattsvs55 watts
Release Date6 Sep 2012vs18 Feb 2014

Raw Performance comparison

Pixel Rate

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

GigaPixels - higher is better

Texel Rate

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

GigaTexels - higher is better

Memory bandwidth

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

GB/s - higher is better

Single precision performance

  • GeForce GTX 660
    1882.00 GFLOPs
  • GeForce GTX 745 OEM
    793.30 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 660
    6800
  • GeForce GTX 745 OEM
    3140

Points (higher is better)