[Einherji]

This is not exactly true. In most cases intel's chips are more power hungry but the low power atom processors bring better performance than an ARM cortex A9 while still having lower power consumption. (mostly by racing to sleep faster) And this is a three year old architecture i'm talking about.

link for the curious:http://www.anandtech.com/show/6529/busting-the-x86-power-myt...