I think frame-wise, Griffith to 174 makes more sense. I think peak potential from both are about the same at either weight class.
What I mean by that is I do think Griffith could win at either weight, but could drop some matches that he shouldn't. At NCAAs I think Amine's peak is top of the mountain of the 2nd tier. I don't see him beating any of the 1st tier gents (O'Toole, Carr, Starocci).