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Reader Favorites Take Screenshot on Windows. Mount an ISO image in Windows. Boot Into Safe Mode. Disable Startup Programs in Windows. Where to Download Windows Legally. Find Your Lost Product Keys. The Best Tech Newsletter Anywhere Join , subscribers and get a daily digest of news, geek trivia, and our feature articles. By Daniel Petrov. Mar 04, , AM. We've been hearing that Samsung may double its flagship phone displays' refresh rate since last fall, when the option to switch between 60Hz and Hz was discovered in a hidden menu of the OneUI 2.
Since then, we've been on an emotional will-they-won't-they rollercoaster on the issue, especially when pertaining to the current S20 series flagships. Leaked firmware code tipped Hz for the Galaxy S20 displays indeed, but was subsequently dropped, at least as far as the full resolution of the displays was concerned.
You'd have to switch the Hz thing on by your own very self. Notice the warning about the negative impact on battery life from a screen constantly refreshing at Hz? Well, that might be one of the reasoning behind such a move by Samsung, even though the graphics subsystem still has to refresh the same physical number of pixels regardless of what the virtual resolution is.
We doubt that this noHz-at-full-resolution restriction is something that will bother the average user anyway. That's because using the faster refresh rate consumes much more power, and Samsung's only way of mitigating that is by toning down resolution. When we tested the Galaxy S20 Ultra's battery with a Hz refresh rate turned on, the phone ran out of battery after 9 hours, 13 minutes.
That's nearly 3 hours less than the result we got from the Galaxy S20 Ultra when running at the default 60Hz refresh rate. In fact, the S20 Ultra offers some of the best phone battery life when you keep the faster refresh rate turned off. Our advice? Turn to the Hz refresh rate when it's time to game — some titles, like Forza Street, have been updated to take advantage of the faster refresh rate — or when you're going to sit down for a lengthy reading session on your smartphone.
Fortunately, it's pretty easy to turn on the Hz refresh rate when you need it, and turn it off when you're done.
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