Radeon HD 4890 vs Radeon HD 6970
Summary
Reasons to consider Radeon HD 4890 |
| 60 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6970 . |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6970 |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6970
Based on theoretical specifications.
Core Configuration
| Radeon HD 4890 | | Radeon HD 6970 | |
|---|
| GPU Name | RV790 (RV790 XT) | vs | Cayman (Cayman XT) |
| Fab Process | 55 nm | vs | 40 nm |
| Die Size | 282 mm² | vs | 389 mm² |
| Transistors | 959 million | vs | 2,640 million |
| Shaders | 800 | vs | 1536 |
| Compute Units | 10 | vs | 24 |
| Core clock | 850 MHz | vs | 880 MHz |
| ROPs | 16 | vs | 32 |
| TMUs | 40 | vs | 96 |
Memory Configuration
| Radeon HD 4890 | | Radeon HD 6970 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit |
| Memory Speed | 975 MHz
3900 MHz effective | vs | 1375 MHz
5500 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 4890 | | Radeon HD 6970 | |
|---|
| TDP | 190 watts | vs | 250 watts |
| Release Date | 2 Apr 2009 | vs | 14 Dec 2010 |
Radeon HD 4890
13.60 GP/s
Radeon HD 6970
28.20 GP/s
GigaPixels - higher is better
Radeon HD 4890
34.00 GT/s
Radeon HD 6970
84.50 GT/s
GigaTexels - higher is better
Radeon HD 4890
125.00 GB/s
Radeon HD 6970
176.00 GB/s
GB/s - higher is better
Radeon HD 4890
1360.00 GFLOPs
Radeon HD 6970
2703.00 GFLOPs
GFLOPs - higher is better