GeForce GT 755M Mac Edition vs GeForce 840A
Summary
Reasons to consider GeForce GT 755M Mac Edition |
| Around 15% higher average synthetic 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 GeForce 840A |
| Supports PhysX |
| Supports G-Sync |
| Supports ShadowPlay (allows game streaming/recording with minimum performance penalty) |
| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |
HWBench recommends GeForce GT 755M Mac Edition
The GeForce GT 755M Mac Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce GT 755M Mac Edition | | GeForce 840A | |
|---|
| GPU Name | GK107 (GT 755M) | vs | GM108 () |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 118 mm² | vs | 0 mm² |
| Transistors | 1,270 million | vs | unknown |
| Shaders | 384 | vs | 384 |
| Compute Units | 2 | vs | 3 |
| Core clock | 1085 MHz | vs | 1029 MHz |
| ROPs | 16 | vs | 8 |
| TMUs | 32 | vs | 16 |
Memory Configuration
| GeForce GT 755M Mac Edition | | GeForce 840A | |
|---|
| Memory Type | GDDR5 | vs | DDR3 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 1250 MHz
5000 MHz effective | vs | 1001 MHz
2002 MHz effective |
| Memory Size | 1024 Mb | vs | 1024 Mb |
Additional details
| GeForce GT 755M Mac Edition | | GeForce 840A | |
|---|
| TDP | 50 watts | vs | 33 watts |
| Release Date | 8 Nov 2013 | vs | 17 Mar 2014 |
GigaPixels - higher is better
GigaTexels - higher is better
GFLOPs - higher is better
Points (higher is better)