Radeon HD 5570 vs GeForce GT 640

Radeon HD 5570
Memory: 1024Mb GDDR3DESKTOP
Release date: 11 Oct 2011
Radeon HD 5570
GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640

Summary

Synthetic performance index

  • Radeon HD 5570
    100%
  • GeForce GT 640
    199%

Relative performance

Reasons to consider Radeon HD 5570

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider GeForce GT 640

Around 99% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 GT 640

HWBench recommends GeForce GT 640

The GeForce GT 640 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 5570GeForce GT 640
GPU NameTurks (Turks LE)vsGK107 (GK107-300-A2)
Fab Process40 nmvs28 nm
Die Size118 mm²vs118 mm²
Transistors716 millionvs1,270 million
Shaders320vs384
Compute Units4vs2
Core clock650 MHzvs902 MHz
ROPs4vs16
TMUs16vs32

Memory Configuration

Radeon HD 5570GeForce GT 640
Memory TypeGDDR3vsDDR3
Bus Width128 bitvs128 bit
Memory Speed500 MHz
1000 MHz effective
vs891 MHz
1782 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon HD 5570GeForce GT 640
TDP39 wattsvs65 watts
Release Date11 Oct 2011vs5 Jun 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 5570
    2.60 GP/s
  • GeForce GT 640
    7.22 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5570
    10.40 GT/s
  • GeForce GT 640
    28.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5570
    16.00 GB/s
  • GeForce GT 640
    28.50 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5570
    416.00 GFLOPs
  • GeForce GT 640
    692.70 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 5570
    1100
  • GeForce GT 640
    2190

Points (higher is better)