In addition, when you're running both on a new machine, you won't spot that many differences in performance.
It has a much more modern design and offers some really cool effects that macOS users love. Right off the bat, Ubuntu Gnome, for example, has a much more engaging experience than Linux Mint. While Linux Mint goes after the Windows user base, Ubuntu is more focused on making life easier for Mac users.
Linux Mint will probably never end, but on many levels, Ubuntu is a more popular Linux distro.