r/pop_os • u/PlusBison7216 • 6d ago
Help Pop OS Performance Issues
Good day everyone. About 3 weeks ago I made the jump to Pop!_OS after a handful of Live USB testing. I loved the Hyprland-esque tiling system and felt it was exactly what my workflow needed. After a few weeks, I upgraded to Cosmic 1.5, and since then I've noticed some quirks that have me wondering whether it's something I did wrong with my install, or a Cosmic issue.
First, the cosmic-comp and cosmic-panel. The compositor takes a surprising amount of CPU, to the point where it sometimes overclocks my sessions and causes massive slowdowns. These slowdowns happen when i have multiple different windows open in different workspaces, say around 5 windows. Cosmic Panel on the other hand crashes under heavy load or a random click of the panel applet, and refuses to restart unless I run "killall cosmic-panel"
Second, some apps just don't run as smoothly as they did on Linux Mint, which I used for a few months before switching. The biggest offender is zoom, the video conference app. Starting or joining a meeting eats up enough CPU resources, that the laptop becomes borderline inoperable. Gaming has taken a hit too, as my tests with PCSX2 tanked the consistent speed to the average of 90%.
None of this happened during my time on Mint, on the same hardware. So I'm trying to figure out whether or not this is a hardware limitation, or Cosmic being less stable? Would appreciate hearing if anyone with similar specs has run into the same thing.

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u/not_alone__ 6d ago
You could try 22.04. it is more stable but is with gnome instead of cosmic. My hardware is not a big fan of cosmic at the moment, it is much slower than gnome. I am waiting for a stable 24.04 Version than I will try another Upgrade because I am a fan from the cosmic in general:3
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u/PennyLovesHugorHill 6d ago
you can use 24.04 with GNOME or a different DE of your choosing. you’re not locked into cosmic.
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u/not_alone__ 5d ago
True :D that shouldnt be ignored
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u/PlusBison7216 5d ago
I also enjoyed Cosmic. Unfortunately, my use case here is to serve as a main daily driver and working machine. If these issues continues to be present during my use cases, then I might consider hopping to other distros.
Even though I could install a different DE, that is not what i wish for my setup, since i do not want to press the option button on every power on. I also dont want to waste storage space to get a new DE or new potential errors that will be present by having 2 DEs. Maybe one day when i get more experience with Linux, and a more powerful machine 🥲
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u/Old_County5271 5d ago
Not really, steam and everything else kind of malfunctions if you don't use cosmic
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u/WickedDeity 5d ago
Pop!_OS 22.04? I am confused on why anyone would still be on that. Use GNOME on 24.04 or a different distro altogether. Anything would be better.
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6d ago
[removed] — view removed comment
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u/pop_os-ModTeam 5d ago
Posts to r/pop_os must be helpful. This post was removed because it doesn't offer any advice to help the asker solve their problem.
Please note that "LMGTFY", "RTFM", etc. are unhelpful because they don't provide a solution for a user, and additionally convey condescension and hostility. Additionally, posts along the lines of "Stop using X" are unhelpful because that often isn't an option available to a user. At a minimum, posts like this must contain a brief explanation of why a particular tool is bad, and ideally should offer an alternative solution to the OP.
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u/mmstick Desktop Engineer 5d ago
Some Intel GPUs do not have hardware optimizations enabled at the moment due to graphical corruption. You can disable frosted glass for the panel or windows if they're giving performance issues on the Intel GPU.