GeForce GTX 670MX vs GeForce GTX 660 Ti

GeForce GTX 670MX
Memory: 3072Mb GDDR5MOBILE
Release date: 1 Oct 2012
GeForce GTX 670MX
GeForce GTX 660 Ti
Memory: 2048Mb GDDR5DESKTOP
Release date: 16 Aug 2012
GeForce GTX 660 Ti

Summary

Synthetic performance index

  • GeForce GTX 670MX
    100%
  • GeForce GTX 660 Ti
    183%

Relative performance

Reasons to consider GeForce GTX 670MX

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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

Around 83% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 Ti

HWBench recommends GeForce GTX 660 Ti

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


Specifications

Core Configuration

GeForce GTX 670MXGeForce GTX 660 Ti
GPU NameGK104 (N13E-GR-A2)vsGK104 (GK104-300-KD-A2)
Fab Process28 nmvs28 nm
Die Size294 mm²vs294 mm²
Transistors3,540 millionvs3,540 million
Shaders960vs1344
Compute Units5vs7
Core clock601 MHzvs915 MHz
ROPs24vs24
TMUs80vs112

Memory Configuration

GeForce GTX 670MXGeForce GTX 660 Ti
Memory TypeGDDR5vsGDDR5
Bus Width192 bitvs192 bit
Memory Speed700 MHz
2800 MHz effective
vs1502 MHz
6008 MHz effective
Memory Size3072 Mbvs2048 Mb

Additional details

GeForce GTX 670MXGeForce GTX 660 Ti
TDP75 wattsvs150 watts
Release Date1 Oct 2012vs16 Aug 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 670MX
    12.02 GP/s
  • GeForce GTX 660 Ti
    25.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 670MX
    48.10 GT/s
  • GeForce GTX 660 Ti
    102.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 670MX
    67.20 GB/s
  • GeForce GTX 660 Ti
    144.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 670MX
    1153.90 GFLOPs
  • GeForce GTX 660 Ti
    2460.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 670MX
    4800
  • GeForce GTX 660 Ti
    8790

Points (higher is better)