GeForce GTX 660M vs GeForce GTX 850M
Summary
GeForce GTX 660M
100%
GeForce GTX 850M
171%
Relative performance
Reasons to consider GeForce GTX 660M |
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 GTX 850M |
This is a much newer product, it might have better long term support. |
Around 71% 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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications |
HWBench recommends GeForce GTX 850M
The GeForce GTX 850M is the better performing card based on the synthetic benchmarks used (1 benchmarks).
Core Configuration
| GeForce GTX 660M | | GeForce GTX 850M | |
---|
GPU Name | GK107 (N13E-GE-A2) | vs | GM107 (N15P-GT-A1) |
Fab Process | 28 nm | vs | 28 nm |
Die Size | 118 mm² | vs | 148 mm² |
Transistors | 1,270 million | vs | 1,870 million |
Shaders | 384 | vs | 640 |
Compute Units | 2 | vs | 5 |
Core clock | 835 MHz | vs | 902 MHz |
ROPs | 16 | vs | 16 |
TMUs | 32 | vs | 40 |
Memory Configuration
| GeForce GTX 660M | | GeForce GTX 850M | |
---|
Memory Type | GDDR5 | vs | DDR3 |
Bus Width | 128 bit | vs | 128 bit |
Memory Speed | 1000 MHz
4000 MHz effective | vs | 1001 MHz
2002 MHz effective |
Memory Size | 1024 Mb | vs | 2048 Mb |
Additional details
| GeForce GTX 660M | | GeForce GTX 850M | |
---|
TDP | 50 watts | vs | 45 watts |
Release Date | 22 Mar 2012 | vs | 12 Mar 2014 |
GeForce GTX 660M
6.68 GP/s
GeForce GTX 850M
14.43 GP/s
GigaPixels - higher is better
GeForce GTX 660M
26.72 GT/s
GeForce GTX 850M
36.10 GT/s
GigaTexels - higher is better
GeForce GTX 660M
64.00 GB/s
GeForce GTX 850M
32.00 GB/s
GB/s - higher is better
GeForce GTX 660M
641.30 GFLOPs
GeForce GTX 850M
1154.60 GFLOPs
GFLOPs - higher is better
GeForce GTX 660M
2570
GeForce GTX 850M
4420
Points (higher is better)