GeForce GT 640M vs GeForce GT 750M
Summary
GeForce GT 640M
100%
GeForce GT 750M
139%
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 GT 750M |
This is a much newer product, it might have better long term support. |
Around 39% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |
HWBench recommends GeForce GT 750M
The GeForce GT 750M is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce GT 640M | | GeForce GT 750M | |
---|
GPU Name | GK107 (N13P-GS) | vs | GK107 (N14P-GT) |
Fab Process | 28 nm | vs | 28 nm |
Die Size | 118 mm² | vs | 118 mm² |
Transistors | 1,270 million | vs | 1,270 million |
Shaders | 384 | vs | 384 |
Compute Units | 2 | vs | 2 |
Core clock | 625 MHz | vs | 941 MHz |
ROPs | 16 | vs | 16 |
TMUs | 32 | vs | 32 |
Memory Configuration
| GeForce GT 640M | | GeForce GT 750M | |
---|
Memory Type | DDR3 | vs | GDDR5 |
Bus Width | 128 bit | vs | 128 bit |
Memory Speed | 900 MHz
1800 MHz effective | vs | 1000 MHz
4000 MHz effective |
Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce GT 640M | | GeForce GT 750M | |
---|
TDP | 32 watts | vs | 50 watts |
Release Date | 22 Mar 2012 | vs | 9 Jan 2013 |
GeForce GT 640M
5.00 GP/s
GeForce GT 750M
7.53 GP/s
GigaPixels - higher is better
GeForce GT 640M
20.00 GT/s
GeForce GT 750M
30.11 GT/s
GigaTexels - higher is better
GeForce GT 640M
28.80 GB/s
GeForce GT 750M
64.00 GB/s
GB/s - higher is better
GeForce GT 640M
480.00 GFLOPs
GeForce GT 750M
722.70 GFLOPs
GFLOPs - higher is better
GeForce GT 640M
1770
GeForce GT 750M
2470
Points (higher is better)