Radeon HD 4850 vs Radeon HD 6870
Summary
Radeon HD 4850
100%
Radeon HD 6870
240%
Relative performance
Reasons to consider Radeon HD 4850 |
| 41 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6870 . |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 6870 |
| This is a much newer product, it might have better long term support. |
| Around 140% higher average synthetic performance. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
HWBench recommends Radeon HD 6870
The Radeon HD 6870 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 4850 | | Radeon HD 6870 | |
|---|
| GPU Name | RV770 (RV770 PRO) | vs | Barts (Barts XT) |
| Fab Process | 55 nm | vs | 40 nm |
| Die Size | 256 mm² | vs | 255 mm² |
| Transistors | 956 million | vs | 1,700 million |
| Shaders | 800 | vs | 1120 |
| Compute Units | 10 | vs | 14 |
| Core clock | 625 MHz | vs | 900 MHz |
| ROPs | 16 | vs | 32 |
| TMUs | 40 | vs | 56 |
Memory Configuration
| Radeon HD 4850 | | Radeon HD 6870 | |
|---|
| Memory Type | GDDR3 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 256 bit |
| Memory Speed | 993 MHz
1986 MHz effective | vs | 1050 MHz
4200 MHz effective |
| Memory Size | 512 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 4850 | | Radeon HD 6870 | |
|---|
| TDP | 110 watts | vs | 151 watts |
| Release Date | 25 Jun 2008 | vs | 21 Oct 2010 |
Radeon HD 4850
10.00 GP/s
Radeon HD 6870
28.80 GP/s
GigaPixels - higher is better
Radeon HD 4850
25.00 GT/s
Radeon HD 6870
50.40 GT/s
GigaTexels - higher is better
Radeon HD 4850
63.60 GB/s
Radeon HD 6870
134.00 GB/s
GB/s - higher is better
Radeon HD 4850
1000.00 GFLOPs
Radeon HD 6870
2016.00 GFLOPs
GFLOPs - higher is better
Radeon HD 4850
1890
Radeon HD 6870
4540
Points (higher is better)