GeForce GT 555M vs GeForce 820M
Summary
Reasons to consider GeForce GT 555M |
| Supports PhysX |
| Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications |
Reasons to consider GeForce 820M |
| This is a much newer product, it might have better long term support. |
| Higher theoretical gaming performance, based on specifications. |
| 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| Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications |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 820M
Based on theoretical specifications.
Core Configuration
| GeForce GT 555M | | GeForce 820M | |
|---|
| GPU Name | GF116 (N12E-GE2-A1) | vs | GK107 () |
| Fab Process | 40 nm | vs | 28 nm |
| Die Size | 238 mm² | vs | 118 mm² |
| Transistors | 1,170 million | vs | 1,270 million |
| Shaders | 144 | vs | 384 |
| Compute Units | 2 | vs | 2 |
| Core clock | 675 MHz | vs | 810 MHz |
| ROPs | 16 | vs | 16 |
| TMUs | 24 | vs | 32 |
Memory Configuration
| GeForce GT 555M | | GeForce 820M | |
|---|
| Memory Type | DDR3 | vs | DDR3 |
| Bus Width | 128 bit | vs | 128 bit |
| Memory Speed | 900 MHz
1800 MHz effective | vs | 901 MHz
1802 MHz effective |
| Memory Size | 2048 Mb | vs | 2048 Mb |
Additional details
| GeForce GT 555M | | GeForce 820M | |
|---|
| TDP | 35 watts | vs | 45 watts |
| Release Date | 26 Mar 2012 | vs | 21 Mar 2015 |
GeForce GT 555M
2.70 GP/s
GeForce 820M
6.48 GP/s
GigaPixels - higher is better
GeForce GT 555M
16.20 GT/s
GeForce 820M
25.92 GT/s
GigaTexels - higher is better
GeForce GT 555M
28.80 GB/s
GeForce 820M
28.83 GB/s
GB/s - higher is better
GeForce GT 555M
388.80 GFLOPs
GeForce 820M
622.10 GFLOPs
GFLOPs - higher is better