I think there's just a problem with software nowadays. I bought a 2005 PowerBook G4 for nostalgia's sake, and ended up finding out that even if I push the CPU of the poor thing to the max by compiling GCC and downloading stuff, it still manages to have smoother animations than my maxed out quad-core i7-powered Dell XPS 15: https://twitter.com/SilverEzhik/status/1017622599696896001