No_Holiday_5717 • iPhone 13 Pro Max • 1 yr. ago. Yes. I used low power mode all the time on my iPhone 8, I don’t use it anymore. 60 hz just feels wrong. I get around 10 hours of screen time too, so I don’t even need low power mode most of the time. Announced Sep 2019. Features 6.1″ display, Apple A13 Bionic chipset, 3110 mAh battery, 256 GB storage, 4 GB RAM, Scratch-resistant glass. Apple iPhone XS Max; Apple iPhone 13; Apple iPhone The OLED panel that makes up the Super Retina HD display in the iPhone XS Max is bright and colorful though, and has a 2688 x 1242 resolution, which equates to a 458ppi pixel density. U4VO.