Radeon HD 5450 vs Radeon HD 6770

Radeon HD 5450
Memory: 512Mb DDR2DESKTOP
Release date: 4 Feb 2010
Radeon HD 5450
Radeon HD 6770
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6770

Summary

Synthetic performance index

  • Radeon HD 5450
    100%
  • Radeon HD 6770
    750%

Relative performance

Reasons to consider Radeon HD 5450

89 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6770 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 6770

This is a much newer product, it might have better long term support.
Around 650% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 6770

HWBench recommends Radeon HD 6770

The Radeon HD 6770 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 5450Radeon HD 6770
GPU NameCedar (Cedar PRO)vsJuniper (Juniper XT)
Fab Process40 nmvs40 nm
Die Size59 mm²vs166 mm²
Transistors292 millionvs1,040 million
Shaders80vs800
Compute Units2vs10
Core clock650 MHzvs850 MHz
ROPs4vs16
TMUs8vs40

Memory Configuration

Radeon HD 5450Radeon HD 6770
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed400 MHz
800 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 5450Radeon HD 6770
TDP19 wattsvs108 watts
Release Date4 Feb 2010vs21 Jan 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 5450
    2.60 GP/s
  • Radeon HD 6770
    13.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5450
    5.20 GT/s
  • Radeon HD 6770
    34.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5450
    6.40 GB/s
  • Radeon HD 6770
    76.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5450
    104.00 GFLOPs
  • Radeon HD 6770
    1360.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 5450
    340
  • Radeon HD 6770
    2550

Points (higher is better)