Radeon HD 4870 vs Radeon HD 5450
Summary
Radeon HD 4870
705%
Radeon HD 5450
100%
Relative performance
Reasons to consider Radeon HD 4870 |
| Around 605% 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 5450 |
| 131 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4870 . |
| 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 4870
The Radeon HD 4870 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| Radeon HD 4870 | | Radeon HD 5450 | |
|---|
| GPU Name | RV770 (RV770 PRO) | vs | Cedar (Cedar PRO) |
| Fab Process | 55 nm | vs | 40 nm |
| Die Size | 256 mm² | vs | 59 mm² |
| Transistors | 956 million | vs | 292 million |
| Shaders | 800 | vs | 80 |
| Compute Units | 10 | vs | 2 |
| Core clock | 750 MHz | vs | 650 MHz |
| ROPs | 16 | vs | 4 |
| TMUs | 40 | vs | 8 |
Memory Configuration
| Radeon HD 4870 | | Radeon HD 5450 | |
|---|
| Memory Type | GDDR5 | vs | DDR2 |
| Bus Width | 256 bit | vs | 64 bit |
| Memory Speed | 900 MHz
3600 MHz effective | vs | 400 MHz
800 MHz effective |
| Memory Size | 512 Mb | vs | 512 Mb |
Additional details
| Radeon HD 4870 | | Radeon HD 5450 | |
|---|
| TDP | 150 watts | vs | 19 watts |
| Release Date | 25 Jun 2008 | vs | 4 Feb 2010 |
Radeon HD 4870
12.00 GP/s
Radeon HD 5450
2.60 GP/s
GigaPixels - higher is better
Radeon HD 4870
30.00 GT/s
Radeon HD 5450
5.20 GT/s
GigaTexels - higher is better
Radeon HD 4870
115.00 GB/s
Radeon HD 5450
6.40 GB/s
GB/s - higher is better
Radeon HD 4870
1200.00 GFLOPs
Radeon HD 5450
104.00 GFLOPs
GFLOPs - higher is better
Radeon HD 4870
2400
Radeon HD 5450
340
Points (higher is better)