Radeon HD 4890 vs Radeon HD 4750
Summary
Reasons to consider Radeon HD 4890 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 4750 |
| 90 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4890 . |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| Radeon HD 4890 | | Radeon HD 4750 | |
|---|
| GPU Name | RV790 (RV790 XT) | vs | RV740 (RV740 PRO) |
| Fab Process | 55 nm | vs | 40 nm |
| Die Size | 282 mm² | vs | 137 mm² |
| Transistors | 959 million | vs | 826 million |
| Shaders | 800 | vs | 640 |
| Compute Units | 10 | vs | 8 |
| Core clock | 850 MHz | vs | 730 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 40 | vs | 32 |
Memory Configuration
| Radeon HD 4890 | | Radeon HD 4750 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 256 bit | vs | 128 bit |
| Memory Speed | 975 MHz
3900 MHz effective | vs | 800 MHz
3200 MHz effective |
| Memory Size | 1024 Mb | vs | 512 Mb |
Additional details
| Radeon HD 4890 | | Radeon HD 4750 | |
|---|
| TDP | 190 watts | vs | 100 watts |
| Release Date | 2 Apr 2009 | vs | 9 Sep 2009 |
Radeon HD 4890
13.60 GP/s
Radeon HD 4750
11.70 GP/s
GigaPixels - higher is better
Radeon HD 4890
34.00 GT/s
Radeon HD 4750
23.40 GT/s
GigaTexels - higher is better
Radeon HD 4890
125.00 GB/s
Radeon HD 4750
51.20 GB/s
GB/s - higher is better
Radeon HD 4890
1360.00 GFLOPs
Radeon HD 4750
934.40 GFLOPs
GFLOPs - higher is better