GeForce GTX 670 vs GeForce GT 620

GeForce GTX 670
Memory: 2048Mb GDDR5DESKTOP
Release date: 10 May 2012
GeForce GTX 670
GeForce GT 620
Memory: 1024Mb DDR3DESKTOP
Release date: 15 May 2012
GeForce GT 620

Summary

Synthetic performance index

  • GeForce GTX 670
    1278%
  • GeForce GT 620
    100%

Relative performance

Reasons to consider GeForce GTX 670

Around 1178% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 GT 620

121 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 670 .
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

GeForce GTX 670

HWBench recommends GeForce GTX 670

The GeForce GTX 670 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 670GeForce GT 620
GPU NameGK104 (GK104-325-A2)vsGF108 (GF108-100-KB-A1)
Fab Process28 nmvs40 nm
Die Size294 mm²vs116 mm²
Transistors3,540 millionvs585 million
Shaders1344vs96
Compute Units7vs2
Core clock915 MHzvs700 MHz
ROPs32vs4
TMUs112vs16

Memory Configuration

GeForce GTX 670GeForce GT 620
Memory TypeGDDR5vsDDR3
Bus Width256 bitvs64 bit
Memory Speed1502 MHz
6008 MHz effective
vs900 MHz
1800 MHz effective
Memory Size2048 Mbvs1024 Mb

Additional details

GeForce GTX 670GeForce GT 620
TDP170 wattsvs49 watts
Release Date10 May 2012vs15 May 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 670
    25.60 GP/s
  • GeForce GT 620
    2.80 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 670
    102.00 GT/s
  • GeForce GT 620
    11.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 670
    192.00 GB/s
  • GeForce GT 620
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 670
    2460.00 GFLOPs
  • GeForce GT 620
    268.80 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 670
    9330
  • GeForce GT 620
    730

Points (higher is better)