• setVeryLoud(true);@lemmy.ca
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    9 months ago

    Adjusting the refresh rate to the performance of the desktop is one.

    I also heard it would make it easier to manage multiple monitors sporting different refresh rates, although I haven’t had issues with that personally.

    • acockworkorange@mander.xyz
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      9 months ago

      Adjusting the refresh rate to the performance of the desktop is one.

      That’s the definition, isn’t it? Why is this better than a fixed refresh rate? Can the monitor scale the rate down to consume less power or something?

      I also heard it would make it easier to manage multiple monitors sporting different refresh rates, although I haven’t had issues with that personally.

      I heard that too and got similarly confused. I work with two monitors with different refresh rates (75 and 60) on Mint and it seems fine. Is X downgrading my 75 Hz monitor to 60 silently? I don’t know how to check that.

      • setVeryLoud(true);@lemmy.ca
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        9 months ago
        1. To avoid having to skip frames to make the desktop look more fluid, thus matching the refresh rate of the monitor.

        2. I think the whole desktop runs at the higher refresh rate when you have mismatched monitors? Not sure. Wayland and X11 might differ as well on how they handle this.

        • Fisch@lemmy.ml
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          8 months ago

          X11 runs the whole desktop on the lowest refresh rate and Wayland can run each monitor at a different refresh rate

      • Domi@lemmy.secnd.me
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        9 months ago

        Can the monitor scale the rate down to consume less power or something?

        In theory, yes. However, I have never seen it used that way. The only widely used applications for VRR are games and video playback.

        Would be interesting to do some power measurements though.

        Is X downgrading my 75 Hz monitor to 60 silently?

        Yes, X does not support different refresh rates. Wayland does.