The nubia Red Magic 3 will have a 90Hz screen (those are becoming popular, huh?). The brand teased a refresh rate "higher than most gaming PCs", which is technically true - most people still have 60Hz monitors. As you can see in the screenshot below, you can switch the phone to 60Hz mode, which will prolong battery life. The top option is "automatic", so presumably it will switch to 90Hz only when needed (keep in mind that few games support high refresh rates, Fortnite getting a 60fps mode was big news). The nubia Red Magic 3 will have active cooling - an actual fan inside the...
Source: https://www.gsmarena.com/nubia_red_magic_3_will_have_a_90hz_screen_builtin_fan_to_cool_the_s855_chipset-news-36713.php