GeForce GTX 660M vs GeForce GT 720M

GeForce GTX 660M
Memory: 1024Mb GDDR5MOBILE
Release date: 22 Mar 2012
GeForce GTX 660M
GeForce GT 720M
Memory: 2048Mb DDR3MOBILE
Release date: 1 Apr 2013
GeForce GT 720M

Summary

Reasons to consider GeForce GTX 660M

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 720M

This is a much newer product, it might have better long term support.
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

GeForce GTX 660M

HWBench recommends GeForce GTX 660M

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GTX 660MGeForce GT 720M
GPU NameGK107 (N13E-GE-A2)vsGF117 (N14M-GE)
Fab Process28 nmvs28 nm
Die Size118 mm²vs116 mm²
Transistors1,270 millionvs585 million
Shaders384vs96
Compute Units2vs2
Core clock835 MHzvs625 MHz
ROPs16vs8
TMUs32vs16

Memory Configuration

GeForce GTX 660MGeForce GT 720M
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1000 MHz
4000 MHz effective
vs800 MHz
1600 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

GeForce GTX 660MGeForce GT 720M
TDP50 wattsvs33 watts
Release Date22 Mar 2012vs1 Apr 2013

Raw Performance comparison

Pixel Rate

  • GeForce GTX 660M
    6.68 GP/s
  • GeForce GT 720M
    2.50 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 660M
    26.72 GT/s
  • GeForce GT 720M
    10.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 660M
    64.00 GB/s
  • GeForce GT 720M
    12.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 660M
    641.30 GFLOPs
  • GeForce GT 720M
    240.00 GFLOPs

GFLOPs - higher is better

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