GeForce GTX 765M vs GeForce GTX 660

GeForce GTX 765M
Memory: 2048Mb GDDR5 MOBILE
Release date: 30 May 2013
GeForce GTX 765M
GeForce GTX 660
Memory: 2048Mb GDDR5 DESKTOP
Release date: 6 Sep 2012
GeForce GTX 660

Summary

Synthetic performance index

  • GeForce GTX 765M
    100%
  • GeForce GTX 660
    161%

Relative performance

Reasons to consider GeForce GTX 765M

65 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 660 .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications.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 660

Around 61% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications.

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 765M GeForce GTX 660
GPU Name GK106 (N14E-GE-B-A1) vs GK106 (GK106-400-A1)
Fab Process 28 nm vs 28 nm
Die Size 221 mm² vs 221 mm²
Transistors 2,540 million vs 2,540 million
Shaders 768 vs 960
Compute Units 4 vs 5
Core clock 797 MHz vs 980 MHz
ROPs 16 vs 24
TMUs 64 vs 80

Memory Configuration

GeForce GTX 765M GeForce GTX 660
Memory Type GDDR5 vs GDDR5
Bus Width 128 bit vs 192 bit
Memory Speed 1002 MHz
4008 MHz effective
vs 1502 MHz
6008 MHz effective
Memory Size 2048 Mb vs 2048 Mb

Additional details

GeForce GTX 765M GeForce GTX 660
TDP 75 watts vs 140 watts
Release Date 30 May 2013 vs 6 Sep 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 765M
    12.75 GP/s
  • GeForce GTX 660
    19.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 765M
    51.00 GT/s
  • GeForce GTX 660
    78.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 765M
    64.10 GB/s
  • GeForce GTX 660
    144.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 765M
    1224.20 GFLOPs
  • GeForce GTX 660
    1882.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 765M
    4220
  • GeForce GTX 660
    6800

Points (higher is better)