Apple’s upcoming iPhone 13 is rumored to feature an always-on display with a 120Hz refresh rate, the latter of which puts it in the category of several ‘gaming’ smartphones. Why wasn’t a 120Hz refresh rate included iPhone 12 series? It may have been due to the drain it would have on battery life, which is something Apple looks to be addressing,

Source: Hot Hardware – Alleged iPhone 13 CAD Files Reveal Thicker Design With Big Payoff For Consumers