Apple Ships Phone with Dual-Sourced Processors

A number of sources, including Anandtech here, report that Apple's new iPhones are shipping with one of two different chips.  The chips aren't even the same size. As my student pointed out, Macrumors reports here that initial tests suggest that the two chips consume significantly different levels of power.

Article on Embedded Multi-Core Performance/Power

Here is a great article from Anandtech with some experimental results on cell phone multicore architectures.  Their experiments show how many threads are at work in some typical cell phone scenarios and provide utilization and power results.