this post was submitted on 15 Jun 2023
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S21 FE battery usage from 5G and 120 Hz (self.samsung)
submitted 1 year ago by TwinTurbo to c/samsung
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The S21 FE doesn't have an LTPO display, so you can run it at either fixed 60 Hz or fixed 120 Hz; there's no dyanmic scaling. For those of you who own one, what difference in battery usage do you notice from running the display at 60 Hz vs 120 Hz?

Furthermore, the modem in the SD888 is not the most efficient around. How does you battery life compare when you have 5G enabled (and actually connect to a 5G network) vs staying on 4G only?

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[โ€“] [email protected] 1 points 1 year ago (1 children)

You can install an app called galaxymaxhz. It can add dynamic refresh rate scalling so your display runs at 60hz when idle or playing video and at 120hz when interacting with the ui. You can also set a routine which disables 120hz when running apps like youtube, Netflix, etc. That should help with the battery effects of always running at 120hz

[โ€“] Pinto23 1 points 1 year ago

Really, well thank you. I stopped using 120hz on my 21 fe cuz it drained so fast. I noticed a big difference running 60 instead of 120.