GeForce 940MX DDR3 vs GeForce GT 640 GDDR5
Summary
GeForce 940MX DDR3
107%
GeForce GT 640 GDDR5
100%
Relative performance
Reasons to consider GeForce 940MX DDR3 |
| This is a much newer product, it might have better long term support. |
| Around 7% 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| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |
Reasons to consider GeForce GT 640 GDDR5 |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 940MX DDR3
The GeForce 940MX DDR3 is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce 940MX DDR3 | | GeForce GT 640 GDDR5 | |
|---|
| GPU Name | GM108 (N16S-GTR-S) | vs | GK208 (GK208-400-A1) |
| Fab Process | 28 nm | vs | 28 nm |
| Die Size | 0 mm² | vs | 87 mm² |
| Transistors | unknown | vs | unknown |
| Shaders | 384 | vs | 384 |
| Compute Units | 3 | vs | 2 |
| Core clock | 1122 MHz | vs | 1046 MHz |
| ROPs | 8 | vs | 8 |
| TMUs | 24 | vs | 16 |
Memory Configuration
| GeForce 940MX DDR3 | | GeForce GT 640 GDDR5 | |
|---|
| Memory Type | DDR3 | vs | GDDR5 |
| Bus Width | 64 bit | vs | 64 bit |
| Memory Speed | 1001 MHz
2002 MHz effective | vs | 1252 MHz
5008 MHz effective |
| Memory Size | 2048 Mb | vs | 1024 Mb |
Additional details
| GeForce 940MX DDR3 | | GeForce GT 640 GDDR5 | |
|---|
| TDP | 23 watts | vs | 49 watts |
| Release Date | 1 Jan 2016 | vs | 29 May 2013 |
GeForce 940MX DDR3
8.98 GP/s
GeForce GT 640 GDDR5
8.37 GP/s
GigaPixels - higher is better
GeForce 940MX DDR3
26.93 GT/s
GeForce GT 640 GDDR5
16.70 GT/s
GigaTexels - higher is better
GeForce 940MX DDR3
16.02 GB/s
GeForce GT 640 GDDR5
40.10 GB/s
GB/s - higher is better
GeForce 940MX DDR3
861.70 GFLOPs
GeForce GT 640 GDDR5
803.30 GFLOPs
GFLOPs - higher is better
GeForce 940MX DDR3
2450
GeForce GT 640 GDDR5
2280
Points (higher is better)