The more this comes the more I love Windows\Microsoft…
Intel and Microsoft promises better and longer battery life when using Windows 7.
They demonstrated by running two identical IBM Laptops, one with Windows 7 and another with Windows Vista… The Windows 7 one increased 1.4 hours longer battery life.
The trick here is that Windows 7 has something that lets one of the cores to sleep as long as possible to save up battery when not needed.
Click here to read the related GIZMODO post.