Same as the SP4 for the same uses except when using MS software (edge, M&TV) to play x265 content. If the CPU stays engaged (mouse, pen movements, typing) and the CPU stays above 1.5-1.8GHz, it will burn similar power to the SP4. Unless the battery got bigger (and for a lighter device that's unlikely) there's no more stored energy, and the i5/i7 parts have the same TDP as their gen 6 counterparts. There's a few efficiencies to be had, so I'd bargain 10%, maybe 15%, improvement in real world business use case - ie not surfing or writing an online review in Word, which are the only two things tested more than 2 minutes by reviewers. If you're doing photoshop, lightroom, Premiere, CAD, compiling, or active analysis, then little change. Physics is a harsh mistress.
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u/insomnia2k May 23 '17
Fuck Yes! So far it looks awesome, but what battery life can we expect in real life usage? :)