Pointless to compare the masters of mid 90's hip-hop. Hate it or love it, they ruled it for a good 3 or 4 years.
I love them both. I only wish Biggie had the work ethic of Tupac. But... after just ONE album, the world loved him. That's just incredible there. Tupac really shined after his death, although I say Me Against The World is his best album. I cannot deny the ridiculous work ethic of Tupac. 10 years later, and there is still about 100 unheards in the vault. Not leaked at all. If they made albums of all the stuff that has leaked [that hasn't hit postmuthous albums yet], he could still have material for another 5 years. Then hit the unheards. It's just ridiculous. Both legacy's are getting completely ruined though. Duets? Fuck outta here with that shit. Loyal To The Game? Pac's Life? Stop remixing pac and big's work and putting fuckers like Young Buck and Chamillionaire on the tracks! Leave 'em be!
R.I.P. to both.