Radeon HD 4670 vs Radeon HD 5770 X2

Radeon HD 4670
Memory: 512Mb GDDR3DESKTOP
Release date: 10 Sep 2008
Radeon HD 4670
Radeon HD 5770 X2
Memory: 1024Mb GDDR5DESKTOP
Release date: 13 Oct 2010
Radeon HD 5770 X2

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 5770 X2

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 5770 X2

HWBench recommends Radeon HD 5770 X2

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 4670Radeon HD 5770 X2
GPU NameRV730 (RV730 XT)vsJuniper (Juniper XT)
Fab Process55 nmvs40 nm
Die Size146 mm²vs166 mm²
Transistors514 millionvs1,040 million
Shaders320vs800
Compute Units4vs10
Core clock750 MHzvs850 MHz
ROPs8vs16
TMUs32vs40

Memory Configuration

Radeon HD 4670Radeon HD 5770 X2
Memory TypeGDDR3vsGDDR5
Bus Width128 bitvs128 bit x2
Memory Speed800 MHz
1600 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 4670Radeon HD 5770 X2
TDP59 wattsvs0 watts
Release Date10 Sep 2008vs13 Oct 2010

Raw Performance comparison

Pixel Rate

  • Radeon HD 4670
    6.00 GP/s
  • Radeon HD 5770 X2
    27.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4670
    24.00 GT/s
  • Radeon HD 5770 X2
    68.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4670
    25.60 GB/s
  • Radeon HD 5770 X2
    153.60 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4670
    480.00 GFLOPs
  • Radeon HD 5770 X2
    2720.00 GFLOPs

GFLOPs - higher is better