Radeon HD 4770 vs Radeon HD 6570

Radeon HD 4770
Memory: 512Mb GDDR5DESKTOP
Release date: 28 Apr 2009
Radeon HD 4770
Radeon HD 6570
Memory: 2048Mb GDDR5DESKTOP
Release date: 19 Apr 2011
Radeon HD 6570

Summary

Synthetic performance index

  • Radeon HD 4770
    114%
  • Radeon HD 6570
    100%

Relative performance

Reasons to consider Radeon HD 4770

Around 14% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 6570

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 4770

HWBench recommends Radeon HD 4770

The Radeon HD 4770 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 4770Radeon HD 6570
GPU NameRV740 ()vsTurks (Turks PRO)
Fab Process40 nmvs40 nm
Die Size137 mm²vs118 mm²
Transistors826 millionvs716 million
Shaders640vs480
Compute Units8vs6
Core clock750 MHzvs650 MHz
ROPs16vs8
TMUs32vs24

Memory Configuration

Radeon HD 4770Radeon HD 6570
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed800 MHz
3200 MHz effective
vs1000 MHz
4000 MHz effective
Memory Size512 Mbvs2048 Mb

Additional details

Radeon HD 4770Radeon HD 6570
TDP80 wattsvs60 watts
Release Date28 Apr 2009vs19 Apr 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 4770
    12.00 GP/s
  • Radeon HD 6570
    5.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4770
    24.00 GT/s
  • Radeon HD 6570
    15.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4770
    51.20 GB/s
  • Radeon HD 6570
    64.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4770
    960.00 GFLOPs
  • Radeon HD 6570
    624.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4770
    1790
  • Radeon HD 6570
    1570

Points (higher is better)