The ARM vs x86 Wars Have Begun: In-Depth Power Analysis of Atom, Krait & Cortex A15by Anand Lal Shimpi on January 4, 2013 7:32 AM EST
Cortex A15: RIABench
The RIABench story isn't any different from the other tests, although peak power consumption is slightly lower for the Cortex A15 here. The gap between it and Atom/Krait remains quite large. The big leap in performance does come at a real cost in power consumption.
RIABench - Max, Avg, Min Power