Radeon HD 5550 vs Radeon HD 6390

Radeon HD 5550
Memory: 512Mb GDDR5DESKTOP
Release date: 9 Feb 2010
Radeon HD 5550
Radeon HD 6390
Memory: 1024Mb DDR2DESKTOP
Release date: 4 Jul 2011
Radeon HD 6390

Summary

Reasons to consider Radeon HD 5550

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 6390

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon HD 5550Radeon HD 6390
GPU NameRedwood (Redwood PRO2)vsRedwood (Redwood LE)
Fab Process40 nmvs40 nm
Die Size104 mm²vs104 mm²
Transistors627 millionvs627 million
Shaders320vs320
Compute Units4vs4
Core clock550 MHzvs550 MHz
ROPs8vs8
TMUs16vs16

Memory Configuration

Radeon HD 5550Radeon HD 6390
Memory TypeGDDR5vsDDR2
Bus Width128 bitvs128 bit
Memory Speed800 MHz
3200 MHz effective
vs500 MHz
1000 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 5550Radeon HD 6390
TDP39 wattsvs39 watts
Release Date9 Feb 2010vs4 Jul 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 5550
    4.40 GP/s
  • Radeon HD 6390
    4.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5550
    8.80 GT/s
  • Radeon HD 6390
    8.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5550
    51.20 GB/s
  • Radeon HD 6390
    16.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5550
    352.00 GFLOPs
  • Radeon HD 6390
    352.00 GFLOPs

GFLOPs - higher is better