I would rather hear Jadakiss raps than Prodigy raps post Mobb's classic run, but Prodigy has made the better albums. HNIC, Return of the Mac, and Albert Einstein are all legit great albums. Jadakiss hasn't made any bad albums, but he hasn't had the type of consistency that Prodigy's had in his solo career. So in terms of discography? Prodigy? In terms of a rapper? Unless you're talking Infamous/Hell on Earth/Murda Muzik timeline, I'm saying Jadakiss.
This isn't even including the group albums. Infamous, Hell on Earth, and Murda Muzik alone are better than the LOX's entire discography and I love the LOX.