Iconia W700: 54Wh battery, lasts 7.5hours
Surface Pro: 42Wh battery, lasts 4.5hours
At almost identical hardware specs, something must be sucking a lot more power in Microsoft's design.
@yikuso: One has an active digitizer and one doesn't.
The Pro also supports MicroSD while the w700 doesn't.
The W700 also throttles the heck out of the cpu.
Could the article inform people of how long it takes to charge the ipad? It's a loonngg time.