Looks like there is a slight difference between the "Super" and regular Mobil 1 . . .
" Mobil 1 is part of our ultimate line of advanced full synthetics. It uses the latest in additive and base oil technologies that provide superior protection, and outperforms Mobil Super Synthetic."
https://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2242281