Radeon HD 2600 XT Mac Edition vs GeForce GTX 660
Summary
Reasons to consider Radeon HD 2600 XT Mac Edition |
| 95 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 660 . |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider GeForce GTX 660 |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
HWBench recommends GeForce GTX 660
Based on theoretical specifications.
Core Configuration
| Radeon HD 2600 XT Mac Edition | | GeForce GTX 660 | |
|---|
| GPU Name | RV630 () | vs | GK106 (GK106-400-A1) |
| Fab Process | 65 nm | vs | 28 nm |
| Die Size | 153 mm² | vs | 221 mm² |
| Transistors | 390 million | vs | 2,540 million |
| Shaders | 120 | vs | 960 |
| Compute Units | 3 | vs | 5 |
| Core clock | 700 MHz | vs | 980 MHz |
| ROPs | 4 | vs | 24 |
| TMUs | 8 | vs | 80 |
Memory Configuration
| Radeon HD 2600 XT Mac Edition | | GeForce GTX 660 | |
|---|
| Memory Type | GDDR3 | vs | GDDR5 |
| Bus Width | 128 bit | vs | 192 bit |
| Memory Speed | 800 MHz
1600 MHz effective | vs | 1502 MHz
6008 MHz effective |
| Memory Size | 256 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 2600 XT Mac Edition | | GeForce GTX 660 | |
|---|
| TDP | 45 watts | vs | 140 watts |
| Release Date | 21 Feb 2008 | vs | 6 Sep 2012 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better