May 7, 2015. #24. yjchua95 said: I disagree, all i5s and i7s used in the 13" all have the same TDP, so the prejudice that the i7 generates more heat is inaccurate. From my experience and a few (pro) online reviews, the i7 generate noticeably more heat than the i5. For a worthless performance boost. I bought a MacBook Pro 13' Mid 2012 in 2015. Till mid 2018 I used MacOs and my battery and backup lasted for around 6-7 hours on normal use. Then, I started using Windows 10 Pro (no dual boot, only windows) and it's been more than a year till now. Windows 10 runs smooth and I have no problem with it but what concerns me a lot is the battery life. The 9- and 10-hour battery life claims depend on you turning the brightness waaaaay down. With a normal screen brightness (say, 40-50% — this thing is awfully bright at its max setting), it wouldn't be unusual to see 5-6 hours running time. Also, Turbo Boost is a battery killer. wYAFx5D.
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  • macbook pro 13 2015 battery life