Interesting, I'm using KDE Plasma as well, and with only a terminal open, my RAM usage is about 1.25GB, and < 3GB with Firefox opened (I don't open a lot of tab

Interesting, I'm using KDE Plasma as well, and with only a terminal open, my RAM usage is about 1.25GB, and < 3GB with Firefox opened (I don't open a lot of tabs though).