Radeon HD 4670 vs Radeon HD 4580
Summary
Reasons to consider Radeon HD 4670 |
| Higher theoretical gaming performance, based on specifications. |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 4580 |
| 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| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |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 4670
Based on theoretical specifications.
Core Configuration
| Radeon HD 4670 | | Radeon HD 4580 | |
|---|
| GPU Name | RV730 (RV730 XT) | vs | RV635 (RV635 PRO) |
| Fab Process | 55 nm | vs | 55 nm |
| Die Size | 146 mm² | vs | 135 mm² |
| Transistors | 514 million | vs | 378 million |
| Shaders | 320 | vs | 120 |
| Compute Units | 4 | vs | 3 |
| Core clock | 750 MHz | vs | 796 MHz |
| ROPs | 8 | vs | 4 |
| TMUs | 32 | vs | 8 |
Memory Configuration
| Radeon HD 4670 | | Radeon HD 4580 | |
|---|
| Memory Type | GDDR3 | vs | GDDR3 |
| Bus Width | 128 bit | vs | 128 bit |
| Memory Speed | 800 MHz
1600 MHz effective | vs | 693 MHz
1386 MHz effective |
| Memory Size | 512 Mb | vs | 512 Mb |
Additional details
| Radeon HD 4670 | | Radeon HD 4580 | |
|---|
| TDP | 59 watts | vs | 65 watts |
| Release Date | 10 Sep 2008 | vs | 20 Nov 2011 |
Radeon HD 4670
6.00 GP/s
Radeon HD 4580
3.18 GP/s
GigaPixels - higher is better
Radeon HD 4670
24.00 GT/s
Radeon HD 4580
6.37 GT/s
GigaTexels - higher is better
Radeon HD 4670
25.60 GB/s
Radeon HD 4580
22.20 GB/s
GB/s - higher is better
Radeon HD 4670
480.00 GFLOPs
Radeon HD 4580
191.00 GFLOPs
GFLOPs - higher is better