Indeed, the amount of VC dollars invested in Boston companies per years is 3x the per capita of New York's. So while NY may have slightly more total dollars invested, a much higher percentage of Boston metro area workers (something like 30%) work in tech. New York will never really be a tech hub in the same way as SF or Boston because tech plays second fiddle to other industries.

Still true today: http://www.paulgraham.com/cities.html