Radeon HD 6490 vs Radeon HD 6390

Radeon HD 6490
Memory: 1024Mb DDR2 DESKTOP
Release date: 4 Jul 2011
Radeon HD 6490
Radeon HD 6390
Memory: 1024Mb DDR2 DESKTOP
Release date: 4 Jul 2011
Radeon HD 6390

Summary

Reasons to consider Radeon HD 6490

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 6390

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.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 6490 Radeon HD 6390
GPU Name Redwood (Redwood LE) vs Redwood (Redwood LE)
Fab Process 40 nm vs 40 nm
Die Size 104 mm² vs 104 mm²
Transistors 627 million vs 627 million
Shaders 320 vs 320
Compute Units 4 vs 4
Core clock 550 MHz vs 550 MHz
ROPs 8 vs 8
TMUs 16 vs 16

Memory Configuration

Radeon HD 6490 Radeon HD 6390
Memory Type DDR2 vs DDR2
Bus Width 128 bit vs 128 bit
Memory Speed 500 MHz
1000 MHz effective
vs 500 MHz
1000 MHz effective
Memory Size 1024 Mb vs 1024 Mb

Additional details

Radeon HD 6490 Radeon HD 6390
TDP 39 watts vs 39 watts
Release Date 4 Jul 2011 vs 4 Jul 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 6490
    4.40 GP/s
  • Radeon HD 6390
    4.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6490
    8.80 GT/s
  • Radeon HD 6390
    8.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6490
    16.00 GB/s
  • Radeon HD 6390
    16.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6490
    352.00 GFLOPs
  • Radeon HD 6390
    352.00 GFLOPs

GFLOPs - higher is better