2 points
*
Running Manjaro Gnome on a thinkpad from 2020. This is the ootb experience for me
2 points
You are aware that Manjaro ships a heavily modified version of Gnome (lots of theming-stuff and extensions)? You should try vanilla Gnome (eg. on Fedora/Arch/VanillaOS) or try disabling everything.
1 point
*
Worth a try. However, the Debian Gnome my university offers has similar delays, so Gnome at least tends to get slow in the environments it normally gets used in. Based on obersavtion. I also don’t remember noticing those delays when I tried other flavors of Manjaro like i3