QGJ is said to have been great in his prime which could rival the Mace that existed 13 years before ROTS. There is no way QGJ would rival the ROTS Mace, just no way. ROTS Mace would wipe the floor with Maul.
NF
Nai FohlAdvocatus Diaboli
Just to add it:
QUI-GON : "You have been a good apprentice. You are much wiser than I am, Obi-Wan. I foresee you will become a great Jedi Knight."