Radeon HD 3870 X2 vs Radeon HD 4870 Mac Edition
Summary
Reasons to consider Radeon HD 3870 X2 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 4870 Mac Edition |
| 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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.
Core Configuration
| Radeon HD 3870 X2 | | Radeon HD 4870 Mac Edition | |
|---|
| GPU Name | R680 () | vs | RV770 (RV770 PRO) |
| Fab Process | 55 nm | vs | 55 nm |
| Die Size | 192 mm² | vs | 256 mm² |
| Transistors | 666 million | vs | 956 million |
| Shaders | 320 | vs | 800 |
| Compute Units | 4 | vs | 10 |
| Core clock | 825 MHz | vs | 750 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 16 | vs | 40 |
Memory Configuration
| Radeon HD 3870 X2 | | Radeon HD 4870 Mac Edition | |
|---|
| Memory Type | GDDR3 | vs | GDDR5 |
| Bus Width | 256 bit x2 | vs | 256 bit |
| Memory Speed | 901 MHz
1802 MHz effective | vs | 850 MHz
3400 MHz effective |
| Memory Size | 512 Mb | vs | 512 Mb |
Additional details
| Radeon HD 3870 X2 | | Radeon HD 4870 Mac Edition | |
|---|
| TDP | 165 watts | vs | 150 watts |
| Release Date | 26 Jan 2008 | vs | 6 Jan 2009 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)