User blog comment:Bovell/Lots of new Battlefield 3 details via Twitter, DreamHack festival, PSM3, and interview/@comment-216.81.81.81-20110623194251/@comment-670668-20110623212836

Call of Duty and Battlefield are different games. They can't really be compared side-by-side, and any reviewer that tries to is only seeing things at face value.

In short, however, the differences between the two games can be briefly summarized as such:
 * Battlefield series: team-based, tactical shooter
 * Call of Duty series: adrenaline-based, arcade shooter