GeForce GTX 660 vs Radeon HD 8870 OEM
Summary
Reasons to consider GeForce GTX 660 |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 8870 OEM |
| 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| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| GeForce GTX 660 | | Radeon HD 8870 OEM | |
|---|
| GPU Name | GK106 (GK106-400-A1) | vs | Pitcairn (Pitcairn XT) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 221 mm² | vs | 212 mm² |
| Transistors | 2,540 million | vs | 2,800 million |
| Shaders | 960 | vs | 1280 |
| Compute Units | 5 | vs | 20 |
| Core clock | 980 MHz | vs | 1000 MHz |
| ROPs | 24 | vs | 32 |
| TMUs | 80 | vs | 80 |
Memory Configuration
| GeForce GTX 660 | | Radeon HD 8870 OEM | |
|---|
| Memory Type | GDDR5 | vs | GDDR5 |
| Bus Width | 192 bit | vs | 256 bit |
| Memory Speed | 1502 MHz
6008 MHz effective | vs | 1200 MHz
4800 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce GTX 660 | | Radeon HD 8870 OEM | |
|---|
| TDP | 140 watts | vs | 175 watts |
| Release Date | 6 Sep 2012 | vs | 8 Jan 2013 |
GeForce GTX 660
19.60 GP/s
Radeon HD 8870 OEM
32.00 GP/s
GigaPixels - higher is better
GeForce GTX 660
78.40 GT/s
Radeon HD 8870 OEM
80.00 GT/s
GigaTexels - higher is better
GeForce GTX 660
144.00 GB/s
Radeon HD 8870 OEM
154.00 GB/s
GB/s - higher is better
GeForce GTX 660
1882.00 GFLOPs
Radeon HD 8870 OEM
2560.00 GFLOPs
GFLOPs - higher is better