I've switched last year to Dell XPS 13 with Ubuntu, and then Fedora 27 (now also installed on my 2011 iMac). Difference in performance when running a Linux bas

I've switched last year to Dell XPS 13 with Ubuntu, and then Fedora 27 (now also installed on my 2011 iMac). Difference in performance when running a Linux based OS on both machines is quite noticeable, with a surprisingly much superior smooth and performante and stable Fedora 27... no glitches, and a pure GNOME experience... My only criticism against moving away from Apple, is customer support. I bought mine in Switzerland (customer center is based in Germany). The experience was overwhelmingly inferior. There's really ZERO responsiveness from Dell when facing even the most easy problems to solve. The response I got for complaining that I received a machine with a "Swiss" keyboard, was "that's your problem". Literally. I'll be very happy to provide the names of the customer support representative and her Superior, if anyone from Dell is interested in picking this up. My next machine will probably be a SlimBook (Spanish company).