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Plasma 6 (Wayland) is laggy on my laptop running on 6th gen i5
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this post was submitted on 03 Dec 2023
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The smallish memory and CPU usage difference between plasma 5 and xfce etc. isn't worth the drop in usability.
Plasma has seriously improved its performance over the years.
Now Plasma 6 might be a memory hog or just a mm early beta. No judging before it's out.
I've been running Plasma on my Intel Skylake I5-6?00U with 8gb RAM since 2015 and its utterly fine, no sluggishness in plasma itself. It's still using X11 though, on an old Kubuntu LTS.
Plasma isn't THAT heavy that it should be expected to feel sluggish on that kind of hardware. And contrary to popular belief Plasma isn't actually that heavy of a DE in terms of resources.
OP might need to try different compositor backends? I remember years ago testing each before settling on whatever gave me smoothest performance (maybe OpenGL3?). Actually I'm not sure if this is even a setting anymore in modern Plasma, or in Wayland
I was merely testing out Plasma 6 on it, and I was just shocked on how sluggish it felt. I recently just got that laptop, so I'm hoping there isn't some BS where the performance gets hampered by the kind of charger i'm using.
I was just curious if that's what's happening at this point in time.
Have you tried X11 yet?
( It should just be a matter of logging out, selecting X11 in the bottom righ corner, and logging in again)
Suffice to say, sluggish performance on your hardware shouldn't be expected, so something must be wrong.
In KDE System monitor you can try adding a new page to show CPU clock speed , to check if the Dell is not throttling. (Dell laptops throttling on the wrong charger is definitely a thing, but I've only experienced on more powerful laptops)
Since you installed pre-release software I assume you don't mind re-installing, so you could always try Neon Stable with 5.27, Kubuntu 23.10 or another distro entirely, to ensure your laptop is OK.
I didn't need to. I didn't boot it up till yesterday to look for other causes, which was when I realized the fan died.