Ever since Apple’s iPhone 6s and 6s Plus launched, we’ve seen reports from users who were suffering lower-than-expected battery life or found that the home button became too hot to touch in certain situations. Some of these issues are expected with any new device launch, particularly given that Apple chose to source its A9 SoC from two different vendors — Samsung and TSMC. Samsung had been shipping 14nm hardware longer than TSMC and has already been confirmed as having a smaller die size,


Multiple user investigations have uncovered some significant differences between the two chips, however. Not only do the Samsung-equipped devices reach a higher temperature (reportedly up to 40C as compared to 37C for the TSMC hardware). we know two things: Battery life on Samsung-equipped iPhone’s isn’t as good as the TSMC version