I say yes. It's not even about the MCing.
I know this has been discussed to death, but his 2 albums impacted the hip hop scene TWICE. How many hip hop artists out there changed the 'landscape' of hiphop twice, especially on their first two tries? His impact on the game happened in a short time span, and it was very efficient.
Ready To Die = revitalized the east coast scene when the west was dominating
Life After Death = first hiphop album to go diamond.
Biggie is proof you don't need 3+ albums to be in the discussion.