Forbes: Apple's New iPhones Have An Unfixable Problem
Original Video:
https://www.youtube.com/watch?v=RF6-eLoNwZQ
Phonebuff has performed an extremely meticulous battery life test between the newest iPhones and the Galaxy Note 9 which produced some surprising results. The test involved using sensors to make sure the screen brightness and volume levels were set exactly the same, as well as a robotic arm to perfectly replicate navigation on both phones. The results showed that although the Note 9 only has a 20% bigger battery than the XS Max, it was still at 37% charge when the iPhone ran out. The article points out that the Snapdragon 845 is not a very efficient SoC, and Apple is claiming iOS 12 is their "most efficient" OS to date. The problem would be even worse on the regular XS.
My thoughts:
This seems quite fishy to me on Apple's part, given that this is the biggest battery they've ever put in a phone and there's usually at least some minimum to battery performance on iPhones, even when they had two different sources for the SoCs. Seems to me like Apple's "most efficient OS" must be doing a lot of stuff in the background now, whether you want it to or not, and good luck turning that off without jailbreaking.