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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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)