I hope the Fractional scaling will get better at some point. I sacrificed some sharpness, but the whole desktop is lightning fast now even with the animations and on powersave. The final solution was to turn off the Fractional scaling and reducing the resolution of the built-in monitor to FullHD. I tried switching to Wayland, it seemed promising for a while, until random freezes started occurring so I ditched the idea.Īnd then I realized I can just lower the resolution on my built-in monitor. I know they write May increase power usage, lower speed, or reduce display sharpness, but damn this was not usable at all.īut I can not live without it, since my built-in display is WQHD (2560x1440) and when the Fractional scaling is off, both external monitors are OK, but everything on the built-in display is just tiny and unreadable. 3 monitors (built-in 14" WQHD, external 24" and 22")Īs it turns out, the problem was in the Fractional scaling the whole time.I have a reasonably powerful notebook so it just did not feel right: YouTube videos were unwatchable, even scrolling through a terminal was slow! It was just unacceptable. It always took 1-2s to change a Firefox tab and scrolling was not at all smooth and freezing at random times for a while. All window movements were lagged, sluggish, movements were ~2s delayed. That’s because even when Ubuntu 19.04 shipped, Canonical itself admitted that Gnome feels slower. I checked the BIOS settings to aim for the maximum performance when on AC. You may have sorely missed Unity when Canonical replaced it with Gnome 3.28 in Ubuntu 18.04. I also installed sudo apt install indicator-cpufreq to set CPUs to performance instead of powersafe. I do not use any GNOME extensions and I have turned off animations using Gnome Tweaks. I was dealing with a terribly slow GNOME desktop for a few days now (after a fresh install of Ubuntu 20.04). tldr Avoid using the Fractional scaling and solve the scale of your high-dpi screen by reducing its resolution.
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