Apple iPhone 7 review (Battery life and audio)
The iPhone 7 is equipped with a non-removable Li-Po 1960mAh battery, which is about 15% beefier than the one of the iPhone 6s. There is also the new energy-efficient Apple A10 Fusion chip, which combined with the new battery and optimized iOS 10, should offer a longer battery life than before.
The iPhone 7 posted very balanced scores across the board - it can do about 11 and a half hours of 3G calls or web browsing on a single charge, while you can watch videos for about 9 hours. The standby endurance turned out average and thus the final rating of the average 61 hours.
An interesting point to be made is that on the surface these results may seem like what we got from last year's iPhone 6s. But you also have got to remember that due to the change of the battery testing methodology, we conducted the web browsing and video playback tests back then with a screen brightness of 150nits instead of the 200nits of brightness that we use now as standard. Hence, if screen brightness levels were to be equalized, it would become apparent that the new iPhone 7 indeed offers an improvement in battery life.
When plugged into an active external amplifier, the Apple iPhone 7 posted mostly excellent scores, but it's the third iPhone in a row that didn't quite deliver perfect stereo quality. The volume which is just above average doesn't really match the best out there either.
Rather impressively, there's virtually no degradation when you plug in a pair of headphones. The spike in stereo crosstalk is so limited that in comparison, the iPhone 7 fares way better here than in the first test.
The iPhone 7 posted very balanced scores across the board - it can do about 11 and a half hours of 3G calls or web browsing on a single charge, while you can watch videos for about 9 hours. The standby endurance turned out average and thus the final rating of the average 61 hours.
An interesting point to be made is that on the surface these results may seem like what we got from last year's iPhone 6s. But you also have got to remember that due to the change of the battery testing methodology, we conducted the web browsing and video playback tests back then with a screen brightness of 150nits instead of the 200nits of brightness that we use now as standard. Hence, if screen brightness levels were to be equalized, it would become apparent that the new iPhone 7 indeed offers an improvement in battery life.
When plugged into an active external amplifier, the Apple iPhone 7 posted mostly excellent scores, but it's the third iPhone in a row that didn't quite deliver perfect stereo quality. The volume which is just above average doesn't really match the best out there either.
Rather impressively, there's virtually no degradation when you plug in a pair of headphones. The spike in stereo crosstalk is so limited that in comparison, the iPhone 7 fares way better here than in the first test.
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