Radeon HD 5850 vs Radeon HD 6770

Radeon HD 5850
Memory: 1024Mb GDDR5DESKTOP
Release date: 30 Sep 2009
Radeon HD 5850
Radeon HD 6770
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6770

Summary

Reasons to consider Radeon HD 5850

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 6770

43 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5850 .
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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 5850

HWBench recommends Radeon HD 5850

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 5850Radeon HD 6770
GPU NameCypress (Cypress PRO)vsJuniper (Juniper XT)
Fab Process40 nmvs40 nm
Die Size334 mm²vs166 mm²
Transistors2,154 millionvs1,040 million
Shaders1440vs800
Compute Units18vs10
Core clock725 MHzvs850 MHz
ROPs32vs16
TMUs72vs40

Memory Configuration

Radeon HD 5850Radeon HD 6770
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed1000 MHz
4000 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 5850Radeon HD 6770
TDP151 wattsvs108 watts
Release Date30 Sep 2009vs21 Jan 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 5850
    23.20 GP/s
  • Radeon HD 6770
    13.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5850
    52.20 GT/s
  • Radeon HD 6770
    34.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5850
    128.00 GB/s
  • Radeon HD 6770
    76.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5850
    2088.00 GFLOPs
  • Radeon HD 6770
    1360.00 GFLOPs

GFLOPs - higher is better