Radeon HD 5870 vs Radeon HD 6850
Summary
Radeon HD 5870
112%
Radeon HD 6850
100%
Relative performance
Reasons to consider Radeon HD 5870 |
| Around 12% higher average synthetic performance. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6850 |
| 61 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5870 . |
| 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 5870
The Radeon HD 5870 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 5870 | | Radeon HD 6850 | |
|---|
| GPU Name | Cypress (Cypress XT) | vs | Barts (Barts PRO) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 334 mm² | vs | 255 mm² |
| Transistors | 2,154 million | vs | 1,700 million |
| Shaders | 1600 | vs | 960 |
| Compute Units | 20 | vs | 12 |
| Core clock | 850 MHz | vs | 775 MHz |
| ROPs | 32 | vs | 32 |
| TMUs | 80 | vs | 48 |
Memory Configuration
| Radeon HD 5870 | | Radeon HD 6850 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit |
| Memory Speed | 1200 MHz
4800 MHz effective | vs | 1000 MHz
4000 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 5870 | | Radeon HD 6850 | |
|---|
| TDP | 188 watts | vs | 127 watts |
| Release Date | 23 Sep 2009 | vs | 21 Oct 2010 |
Radeon HD 5870
27.20 GP/s
Radeon HD 6850
24.80 GP/s
GigaPixels - higher is better
Radeon HD 5870
68.00 GT/s
Radeon HD 6850
37.20 GT/s
GigaTexels - higher is better
Radeon HD 5870
154.00 GB/s
Radeon HD 6850
128.00 GB/s
GB/s - higher is better
Radeon HD 5870
2720.00 GFLOPs
Radeon HD 6850
1488.00 GFLOPs
GFLOPs - higher is better
Radeon HD 5870
4290
Radeon HD 6850
3810
Points (higher is better)