GeForce GTX 660 vs Radeon HD 7770 GHz Edition
Summary
Reasons to consider GeForce GTX 660 |
| 79% higher gaming performance. |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
Reasons to consider Radeon HD 7770 GHz Edition |
| 60 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 660 . |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |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 GeForce GTX 660
The GeForce GTX 660 is the better performing card based on the game benchmark suite used (42 combinations of games and resolutions).
Core Configuration
| GeForce GTX 660 | | Radeon HD 7770 GHz Edition | |
|---|
| GPU Name | GK106 (GK106-400-A1) | vs | Cape Verde (Cape Verde XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 221 mm² | vs | 123 mm² |
| Transistors | 2,540 million | vs | 1,500 million |
| Shaders | 960 | vs | 640 |
| Compute Units | 5 | vs | 10 |
| Core clock | 980 MHz | vs | 1000 MHz |
| ROPs | 24 | vs | 16 |
| TMUs | 80 | vs | 40 |
Memory Configuration
| GeForce GTX 660 | | Radeon HD 7770 GHz Edition | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 192 bit | vs | 128 bit |
| Memory Speed | 1502 MHz
6008 MHz effective | vs | 1125 MHz
4500 MHz effective |
| Memory Size | 2048 Mb | vs | 1024 Mb |
Additional details
| GeForce GTX 660 | | Radeon HD 7770 GHz Edition | |
|---|
| TDP | 140 watts | vs | 80 watts |
| Release Date | 6 Sep 2012 | vs | 15 Feb 2012 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)
DX11, Ultra Quality,DDOD, FX AA
FPS (higher is better)
DX11,Very High Quality, FXAA
FPS (higher is better)
DX11, High Quality, 2x MSAA, 16x AF
FPS (higher is better)
DX11, Ultra Quality, 4xMSAA
FPS (higher is better)