I have been looking online and i cant find a comparison anywhere, not even on their own side! So i was wondering what that difference between the two are?
Bento is geared for personal use while Filemaker is traditionally designed for network use in a business environment. You take Bento and move your database to Filemaker but not the other way around.
Like hammers and wrenches in that each has a specific job. Filemaker.com can help as well.