Radeon HD 2400 vs Radeon HD 3870 Mac Edition

Radeon HD 2400
Memory: 256Mb DDR2 DESKTOP
Release date: 19 Feb 2008
Radeon HD 2400
Radeon HD 3870 Mac Edition
Memory: 512Mb GDDR4 DESKTOP
Release date: 12 Jun 2008
Radeon HD 3870 Mac Edition

Summary

Reasons to consider Radeon HD 2400

86 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 3870 Mac Edition .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 3870 Mac Edition

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Radeon HD 3870 Mac Edition

HWBench recommends Radeon HD 3870 Mac Edition

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 2400 Radeon HD 3870 Mac Edition
GPU Name RV610 () vs RV670 (RV670 XT)
Fab Process 65 nm vs 55 nm
Die Size 85 mm² vs 192 mm²
Transistors 180 million vs 666 million
Shaders 40 vs 320
Compute Units 2 vs 4
Core clock 398 MHz vs 777 MHz
ROPs 4 vs 16
TMUs 4 vs 16

Memory Configuration

Radeon HD 2400 Radeon HD 3870 Mac Edition
Memory Type DDR2 vs GDDR4
Bus Width 64 bit vs 256 bit
Memory Speed 495 MHz
990 MHz effective
vs 1126 MHz
2252 MHz effective
Memory Size 256 Mb vs 512 Mb

Additional details

Radeon HD 2400 Radeon HD 3870 Mac Edition
TDP 20 watts vs 106 watts
Release Date 19 Feb 2008 vs 12 Jun 2008

Raw Performance comparison

Pixel Rate

  • Radeon HD 2400
    1.59 GP/s
  • Radeon HD 3870 Mac Edition
    12.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 2400
    1.59 GT/s
  • Radeon HD 3870 Mac Edition
    12.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 2400
    7.92 GB/s
  • Radeon HD 3870 Mac Edition
    72.10 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 2400
    31.84 GFLOPs
  • Radeon HD 3870 Mac Edition
    497.30 GFLOPs

GFLOPs - higher is better