GeForce GTX 570 vs GeForce GT 640

GeForce GTX 570
Memory: 1280Mb GDDR5DESKTOP
Release date: 7 Dec 2010
GeForce GTX 570
GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640

Summary

Synthetic performance index

  • GeForce GTX 570
    267%
  • GeForce GT 640
    100%

Relative performance

Reasons to consider GeForce GTX 570

Around 167% higher average synthetic performance.
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

Reasons to consider GeForce GT 640

154 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 570 .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

GeForce GTX 570

HWBench recommends GeForce GTX 570

The GeForce GTX 570 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 570GeForce GT 640
GPU NameGF110 (GF110-275-A1)vsGK107 (GK107-300-A2)
Fab Process40 nmvs28 nm
Die Size520 mm²vs118 mm²
Transistors3,000 millionvs1,270 million
Shaders480vs384
Compute Units15vs2
Core clock732 MHzvs902 MHz
ROPs40vs16
TMUs60vs32

Memory Configuration

GeForce GTX 570GeForce GT 640
Memory TypeGDDR5vsDDR3
Bus Width320 bitvs128 bit
Memory Speed950 MHz
3800 MHz effective
vs891 MHz
1782 MHz effective
Memory Size1280 Mbvs2048 Mb

Additional details

GeForce GTX 570GeForce GT 640
TDP219 wattsvs65 watts
Release Date7 Dec 2010vs5 Jun 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 570
    22.00 GP/s
  • GeForce GT 640
    7.22 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 570
    43.90 GT/s
  • GeForce GT 640
    28.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 570
    152.00 GB/s
  • GeForce GT 640
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 570
    1405.00 GFLOPs
  • GeForce GT 640
    692.70 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 570
    5860
  • GeForce GT 640
    2190

Points (higher is better)