Windows 8 might have Metro running on top of it hiding a lot of it, but Windows 8.x carries just as much baggage, cruft, and outdated shit with it as previous versions of Windows have. I have a Surface RT – the first generation – and as such, I know why. The MacBook Air 11″, which has more or less the same hardware and battery, gets more than 11 hours. The new Surface Pro 2 gets 6.6 hours of web browsing battery life. Microsoft can no longer hand wave this vast difference away based on vague references to “poorly optimized third party drivers”. And that battery life gap is worse today – even when using Microsoft’s own hardware, designed in Microsoft’s labs, running Microsoft’s latest operating system released this week. None of the PC vendors he spoke to could justify it, or produce a Windows box that managed similar battery life to OS X. Nobody could explain the technical basis for this vast difference in idle power management on the same hardware. I had a brief Twitter conversation with Anand Shimpi of Anandtech about this, and he was as perplexed as I was.
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