With a 90 Hz refresh rate and a fluid AMOLED screen, you can get a lag-free experience.
Apple in 2017 had announced its first iPad Pro model with a 120 Hz ‘ProMotion’ display. But even a couple years down the line and two generations of iPhones later, we are yet to see an iPhone with a 120 Hz refresh rate. OnePlus 7 Pro on the other hand has increased fluidity, thanks to their ‘fluid AMOLED’ screen along with an ‘OLED’ screen.