Cinnamon uses slightly more resources than the other two. But, it’s lightweight enough I doubt you are going to have an issue, even with a computer of that era.
Yes, but a user would need to be experienced enough to know how to uninstall the previous desktop environment components they don’t want, otherwise their application menu would have both DE’s applications (2 file managers, photo viewer’s, text editors, terminals, etc), which can feel a little cluttered.
Cinnamon uses slightly more resources than the other two. But, it’s lightweight enough I doubt you are going to have an issue, even with a computer of that era.
can’t you switch from xfce to cinnamon and vice versa too?
Yes, but a user would need to be experienced enough to know how to uninstall the previous desktop environment components they don’t want, otherwise their application menu would have both DE’s applications (2 file managers, photo viewer’s, text editors, terminals, etc), which can feel a little cluttered.