NVIDIA GeForce 840M vs NVIDIA GeForce GT 640 Rev. 2
On the Atlas performance index the NVIDIA GeForce 840M is about 0% faster. They launched 1 year apart.
NVIDIA GeForce 840M17
NVIDIA GeForce GT 640 Rev. 217
| NVIDIA GeForce 840M | NVIDIA GeForce GT 640 Rev. 2 | |
|---|---|---|
| Released | 2014 | 2013 |
| Family | GM108 | GK208-400-A1 |
| Video memory | 2 GB | 1 GB |
| Clock | 1029 MHz | – |
| Process | 28 nm | 28 nm |
| Power (TDP) | 30 W | 49 W |
| Launch price | – | $89 |
| Performance index | 17 | 17 |
Green marks the better value in each row. Less power, a smaller process and a lower price count as better.
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