This. Another misleading "generic title" for a case that just happens to be his laptop/setup.
i've a similar experience with my ivy bridge laptop. I also check with powertop whenever something looks odd, but by default, all the things were rather fine (i run Arch)
I got a Ivy Bridge Zenbook and i can get up to 7 hours battery life thie is even better like windows.
i use powertop to reach this.