Radeon HD 6850 vs Radeon HD 6770
Summary
Radeon HD 6850
149%
Radeon HD 6770
100%
Relative performance
Reasons to consider Radeon HD 6850 |
| Around 49% 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 6770 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6850
The Radeon HD 6850 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 6850 | | Radeon HD 6770 | |
|---|
| GPU Name | Barts (Barts PRO) | vs | Juniper (Juniper XT) |
| Fab Process | 40 nm | vs | 40 nm |
| Die Size | 255 mm² | vs | 166 mm² |
| Transistors | 1,700 million | vs | 1,040 million |
| Shaders | 960 | vs | 800 |
| Compute Units | 12 | vs | 10 |
| Core clock | 775 MHz | vs | 850 MHz |
| ROPs | 32 | vs | 16 |
| TMUs | 48 | vs | 40 |
Memory Configuration
| Radeon HD 6850 | | Radeon HD 6770 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 128 bit |
| Memory Speed | 1000 MHz
4000 MHz effective | vs | 1200 MHz
4800 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 6850 | | Radeon HD 6770 | |
|---|
| TDP | 127 watts | vs | 108 watts |
| Release Date | 21 Oct 2010 | vs | 21 Jan 2011 |
Radeon HD 6850
24.80 GP/s
Radeon HD 6770
13.60 GP/s
GigaPixels - higher is better
Radeon HD 6850
37.20 GT/s
Radeon HD 6770
34.00 GT/s
GigaTexels - higher is better
Radeon HD 6850
128.00 GB/s
Radeon HD 6770
76.80 GB/s
GB/s - higher is better
Radeon HD 6850
1488.00 GFLOPs
Radeon HD 6770
1360.00 GFLOPs
GFLOPs - higher is better
Radeon HD 6850
3810
Radeon HD 6770
2550
Points (higher is better)