Radeon HD 5770 Mac Edition vs GeForce GT 640
Summary
Reasons to consider Radeon HD 5770 Mac Edition |
| Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications |
Reasons to consider GeForce GT 640 |
| 43 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5770 Mac Edition . |
| This is a much newer product, it might have better long term support. |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
No clear winner declared
We have no data to declare a winner at this time.
Core Configuration
| Radeon HD 5770 Mac Edition | | GeForce GT 640 | |
|---|
| GPU Name | Juniper (Juniper XT) | vs | GK107 (GK107-300-A2) |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 166 mm² | vs | 118 mm² |
| Transistors | 1,040 million | vs | 1,270 million |
| Shaders | 800 | vs | 384 |
| Compute Units | 10 | vs | 2 |
| Core clock | 850 MHz | vs | 902 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 40 | vs | 32 |
Memory Configuration
| Radeon HD 5770 Mac Edition | | GeForce GT 640 | |
|---|
| Memory Type | GDDR5 | vs | DDR3 |
| Bus Width | 128 bit | vs | 128 bit |
| Memory Speed | 1195 MHz
4780 MHz effective | vs | 891 MHz
1782 MHz effective |
| Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| Radeon HD 5770 Mac Edition | | GeForce GT 640 | |
|---|
| TDP | 108 watts | vs | 65 watts |
| Release Date | 4 Jul 2010 | vs | 5 Jun 2012 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better