There is a pretty big difference between their stats. VY has 1 more TD despite playing 29 more games, this comparison is ridiculous. Wow the formatting came out terrible so here are the links to their career stats from ESPN.
http://espn.go.com/nfl/player/stats/_/id/9589/vince-young
http://espn.go.com/nfl/player/stats/_/id/13994/cam-newton