We've done the testing, and Apple's latest iPhone chips have the horsepower for a capable, low-cost MacBook laptop running on purely smartphone silicon. Might Apple make it happen? Rumors of an A-series-based MacBook are still swirling, months after I first covered the possibility of a new low-cost version of the Apple MacBook Air. Based on early reporting, we could see a $599 MacBook powered by Apple's A-series iPhone processors instead of the M-series …
