Radeon HD 5870 vs Radeon HD 7870 GHz Edition

Radeon HD 5870
Memory: 1024Mb GDDR5DESKTOP
Release date: 23 Sep 2009
Radeon HD 5870
Radeon HD 7870 GHz Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7870 GHz Edition

Summary

Synthetic performance index

  • Radeon HD 5870
    100%
  • Radeon HD 7870 GHz Edition
    193%

Relative performance

Reasons to consider Radeon HD 5870

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 7870 GHz Edition

This is a much newer product, it might have better long term support.
Around 93% higher average synthetic performance.
Supports Direct3D 12 Async Compute.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports Mantle.

Radeon HD 7870 GHz Edition

HWBench recommends Radeon HD 7870 GHz Edition

The Radeon HD 7870 GHz Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 5870Radeon HD 7870 GHz Edition
GPU NameCypress (Cypress XT)vsPitcairn (Pitcairn XT)
Fab Process40 nmvs28 nm
Die Size334 mm²vs212 mm²
Transistors2,154 millionvs2,800 million
Shaders1600vs1280
Compute Units20vs20
Core clock850 MHzvs1000 MHz
ROPs32vs32
TMUs80vs80

Memory Configuration

Radeon HD 5870Radeon HD 7870 GHz Edition
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs256 bit
Memory Speed1200 MHz
4800 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon HD 5870Radeon HD 7870 GHz Edition
TDP188 wattsvs175 watts
Release Date23 Sep 2009vs5 Mar 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 5870
    27.20 GP/s
  • Radeon HD 7870 GHz Edition
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5870
    68.00 GT/s
  • Radeon HD 7870 GHz Edition
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5870
    154.00 GB/s
  • Radeon HD 7870 GHz Edition
    154.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5870
    2720.00 GFLOPs
  • Radeon HD 7870 GHz Edition
    2560.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 5870
    4290
  • Radeon HD 7870 GHz Edition
    8290

Points (higher is better)