Radeon HD 5870 vs Radeon HD 4520

Radeon HD 5870
Memory: 1024Mb GDDR5DESKTOP
Release date: 23 Sep 2009
Radeon HD 5870
Radeon HD 4520
Memory: 512Mb DDR2DESKTOP
Release date: 2 Dec 2009
Radeon HD 4520

Summary

Reasons to consider Radeon HD 5870

Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 4520

163 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5870 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 5870

HWBench recommends Radeon HD 5870

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 5870Radeon HD 4520
GPU NameCypress (Cypress XT)vsRV710 ()
Fab Process40 nmvs55 nm
Die Size334 mm²vs73 mm²
Transistors2,154 millionvs242 million
Shaders1600vs80
Compute Units20vs1
Core clock850 MHzvs600 MHz
ROPs32vs4
TMUs80vs8

Memory Configuration

Radeon HD 5870Radeon HD 4520
Memory TypeGDDR5vsDDR2
Bus Width256 bitvs64 bit
Memory Speed1200 MHz
4800 MHz effective
vs400 MHz
800 MHz effective
Memory Size1024 Mbvs512 Mb

Additional details

Radeon HD 5870Radeon HD 4520
TDP188 wattsvs25 watts
Release Date23 Sep 2009vs2 Dec 2009

Raw Performance comparison

Pixel Rate

  • Radeon HD 5870
    27.20 GP/s
  • Radeon HD 4520
    2.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5870
    68.00 GT/s
  • Radeon HD 4520
    4.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5870
    154.00 GB/s
  • Radeon HD 4520
    6.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5870
    2720.00 GFLOPs
  • Radeon HD 4520
    96.00 GFLOPs

GFLOPs - higher is better