For them, memory volume and bandwidth are probably more important than single-thread performance.
emacs - electron making apps constantly swap
You will chuckle, but in 1989 it was "Eight Megabytes And Constantly Swapping" (just kidding Emacs, I love you, and what's 8 MiB today?)
I've also seen Escape-Meta-Alt-Control-Shift (blew my mind).