We used Apple’s latest operating system, OSX 10.9 Mavericks, as a baseline, and compared it to Windows 7 SP1 and Windows 8.1, using Apple’s Boot Camp to multiboot all three systems. Our interest piqued by Atwood’s blog post, we ran our own battery tests of different operating systems running on a single piece of hardware: In this case, the 2012 Ivy Bridge-based 13-inch MacBook Pro. Yes, Windows is less efficient (on the Mac) “The Air is somehow producing nearly two times the battery efficiency of the best hardware and software combination Microsoft can muster, for what I consider to be the most common usage pattern on a computer today. “The Surface Pro 2 has a 42 Wh battery, which puts it closer to the 11 inch Air in capacity,” Atwood wrote.
(PCWorld’s own tests of a 64GB Surface Pro 2 yielded a battery life of 6 hours, 9 minutes.) Looking at the Surface Pro he owned and the Surface Pro 2 he had on order, Atwood saw that the expected battery life of the new Surface Pro 2 was just a third better than the previous generation’s, at about 6.6 hours. The test bed for this story: Apple’s MacBook Air.įlash forward to last week.
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