GeForce GT 640M vs GeForce 920MX
Summary
GeForce GT 640M
102%
GeForce 920MX
100%
Relative performance
Reasons to consider GeForce GT 640M |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 920MX |
| 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| Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |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 GT 640M | | GeForce 920MX | |
|---|
| GPU Name | GK107 (N13P-GS) | vs | GM108 (N16V-GMR1-S) |
| 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 | 625 MHz | vs | 1072 MHz |
| ROPs | 16 | vs | 8 |
| TMUs | 32 | vs | 24 |
Memory Configuration
| GeForce GT 640M | | GeForce 920MX | |
|---|
| Memory Type | DDR3 | vs | DDR3 |
| Bus Width | 128 bit | vs | 64 bit |
| Memory Speed | 900 MHz
1800 MHz effective | vs | 900 MHz
1800 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce GT 640M | | GeForce 920MX | |
|---|
| TDP | 32 watts | vs | 16 watts |
| Release Date | 22 Mar 2012 | vs | 1 Mar 2016 |
GeForce GT 640M
5.00 GP/s
GeForce 920MX
8.58 GP/s
GigaPixels - higher is better
GeForce GT 640M
20.00 GT/s
GeForce 920MX
25.73 GT/s
GigaTexels - higher is better
GeForce GT 640M
28.80 GB/s
GeForce 920MX
14.40 GB/s
GB/s - higher is better
GeForce GT 640M
480.00 GFLOPs
GeForce 920MX
823.30 GFLOPs
GFLOPs - higher is better
GeForce GT 640M
1770
GeForce 920MX
1730
Points (higher is better)