Many high-end phones these days boast having 120Hz screens or even just 90Hz but there’s one thing that they don’t say and that users take for granted. These phones can only switch between two to three refresh rates ranging from the usual 60Hz to the fastest 120Hz. Samsung, however, believes it can do better and has developed a new Adaptive Frequency screen that can go a lot lower, helping the Galaxy Note 20 Ultra 5G and future 5G phones more battery in the long run.
Supporting 90 to 120 Hz refresh rates has become the new fad in smartphones, offering not only fluid graphics and smooth scrolling of pages but also the semblance of responsive user interfaces. Most of these screens automatically switch between 60Hz and higher refresh rates or let users decide which one to use, given some restrictions.
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https://www.slashgear.com/galaxy-note-20-ultra-adaptive-frequency-screen-can-drop-to-10hz-to-save-power-12633091/
