The official teaser for the iQOO Neo3 claimed the phone's screen will have a "higher refresh rate", but didn't give the exact number - that's why we have leaks such as this one, which shows a screenshot of the settings menu. 120Hz will be the maximum refresh rate of the phone and, unlike Samsung, vivo also offers an intermediary option - 90Hz. Some find that this offers a great balance between smooth animations and good battery life, others will prefer to go all out with the 120Hz option. There's an Auto mode for those undecided. iQOO Neo3: 60Hz, 90Hz and 120Hz options 6GB of...
Source: https://www.gsmarena.com/screenshots_show_the_iqoo_neo3_will_have_a_120hz_screen-news-42497.php