Apple is actively updating its smartphones to the latest version of the operating system iOS 13. One of the main
For testing, they took two iPhone XS Max iOS 13 with200 nits displays tuned for brightness. On one, a dark theme was turned on, on the second - off. After that, the robots simultaneously performed the same actions with them: scrolling feeds on Twitter, watching videos on YouTube, navigating on Google Maps.
At the same time, the battery charge was recorded. As a result, when the “regular” smartphone turned off, completely discharged, its “partner” with night mode still left 30% of the charge.
However, there is a “but”: Dark mode is only effective on devices with OLED screens. At Apple, these are the iPhone 11 Pro and iPhone 11 Pro Max, iPhone XS and iPhone XS Max, as well as the iPhone X. IPS-matrices need energy to display any colors, so you will not notice battery savings.