Radeon HD 4750 vs Radeon HD 7750
Summary
Reasons to consider Radeon HD 4750 |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider Radeon HD 7750 |
| 45 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4750 . |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| Supports Direct3D 12 Async Compute |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports Mantle |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon HD 7750
Based on theoretical specifications.
Core Configuration
| Radeon HD 4750 | | Radeon HD 7750 | |
|---|
| GPU Name | RV740 (RV740 PRO) | vs | Cape Verde (Cape Verde PRO) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 137 mm² | vs | 123 mm² |
| Transistors | 826 million | vs | 1,500 million |
| Shaders | 640 | vs | 512 |
| Compute Units | 8 | vs | 8 |
| Core clock | 730 MHz | vs | 800 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 32 | vs | 32 |
Memory Configuration
| Radeon HD 4750 | | Radeon HD 7750 | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 128 bit |
| Memory Speed | 800 MHz
3200 MHz effective | vs | 1125 MHz
4500 MHz effective |
| Memory Size | 512 Mb | vs | 1024 Mb |
Additional details
| Radeon HD 4750 | | Radeon HD 7750 | |
|---|
| TDP | 100 watts | vs | 55 watts |
| Release Date | 9 Sep 2009 | vs | 15 Feb 2012 |
Radeon HD 4750
11.70 GP/s
Radeon HD 7750
12.80 GP/s
GigaPixels - higher is better
Radeon HD 4750
23.40 GT/s
Radeon HD 7750
25.60 GT/s
GigaTexels - higher is better
Radeon HD 4750
51.20 GB/s
Radeon HD 7750
72.00 GB/s
GB/s - higher is better
Radeon HD 4750
934.40 GFLOPs
Radeon HD 7750
819.20 GFLOPs
GFLOPs - higher is better