According, to careers 360 both the colleges have AAAA rating which means very good.

Ratings are based on Placements, Faculty, Cut-offs of national / state level Entrance exams, Accreditation and Reward status and Publication record from Elsevier’s indexing database - Scopus.

Both the colleges are equally good you can prefer any college according to your preference or according to the location.

If we check the NIRF Ranking then Jamia Millia Islamia is in 20th rank and AMU is in 40th rank.

Good Luck!!