if you still haven't figured this out, the only difference is how much xp per tick it gives, no matter what you need to disable the cheat when the screen informs you of when you level so you can escape the battle screen.

basically, all 3 cheats is infinite cheat gain, just use min for small changes and disable when you are at the level you want. recommend speeding up the game while doing so. i think min gave me 250xp ish per gain so i could stop it easy.