Radeon HD 4670 vs Radeon HD 6670

Radeon HD 4670
Memory: 512Mb GDDR3DESKTOP
Release date: 10 Sep 2008
Radeon HD 4670
Radeon HD 6670
Memory: 1024Mb GDDR5DESKTOP
Release date: 19 Apr 2011
Radeon HD 6670

Summary

Reasons to consider Radeon HD 4670

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 6670

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 6670

HWBench recommends Radeon HD 6670

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 4670Radeon HD 6670
GPU NameRV730 (RV730 XT)vsTurks (Turks XT)
Fab Process55 nmvs40 nm
Die Size146 mm²vs118 mm²
Transistors514 millionvs716 million
Shaders320vs480
Compute Units4vs6
Core clock750 MHzvs800 MHz
ROPs8vs8
TMUs32vs24

Memory Configuration

Radeon HD 4670Radeon HD 6670
Memory TypeGDDR3vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed800 MHz
1600 MHz effective
vs1000 MHz
4000 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 4670Radeon HD 6670
TDP59 wattsvs66 watts
Release Date10 Sep 2008vs19 Apr 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 4670
    6.00 GP/s
  • Radeon HD 6670
    6.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4670
    24.00 GT/s
  • Radeon HD 6670
    19.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4670
    25.60 GB/s
  • Radeon HD 6670
    64.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4670
    480.00 GFLOPs
  • Radeon HD 6670
    768.00 GFLOPs

GFLOPs - higher is better