Phoronix: Ubuntu 12.04 Is A Mixed Power Story

Similar to the mixed boot performance results for Ubuntu 12.04, the power consumption results are also mixed. For some hardware, Ubuntu 12.04 is the most power efficient Ubuntu Linux release in recent history while for some other hardware the Precise Pangolin is continuing in a power binge.

http://www.phoronix.com/vr.php?view=17225