7 Day Theory = greatest hip hop album of all time. Pretty much nothing but jewels from start to finish.
Both are classics, but 7 Day Theory is the more mind blowing album....for the fact it was made in only 3 days, and it was Pac in his PRIME. Nas created a masterpiece with his debut but he could never live up to it again, while with Pac it was the opposite: he was getting better with just about every album. Lyrically, Illmatic is only slightly better, and 7 Day Theory's production is way better. Plus, none of the tracks on Illmatic can touch the intensity and sheer rawness of tracks like Bomb First, Me and my Girlfriend, or Life of an Outlaw. And "Blasphemy" is probably a deeper song than anything on Illmatic (though Life's a Bitch comes close). 7 Day Theory has a greater range in subject matter also.
Then,
Illmatic is only 40 minutes long, while Makaveli is 60 minutes. Do you want 40 minutes of perfection, or 60 minutes. Ill take the 60 minutes.
I love both albums but Pac in his prime is simply UNFUCKWITHABLE, and thats what is simply boils down to when comparing these albums.