CoolTechZone.com has posted an article on the Mobile Cell Processor

Back when Cell launched, IBM, Sony and Toshiba emphasized it to be very scalable with a capability of selecting as little as one PPE (out of eight) to scale the chip accordingly. If Sony is really able to miniaturize Cell, it would make life tremendously difficult for Intel with it's fairly dated XScale processor. Cell would give mobile computing a whole new paradigm by packing in pure processing power that Intel lacks, at least when compared to Cell.

Mobile Cell Processor: Shaping the Future of Mobile Devices