360 & PS3 versions will both run at 30fps
DICE has confirmed that the console versions of Battlefield 3 will only support a frame rate of 30fps. That is right: both the Xbox 360 and PlayStation 3 will both only run at 30 frames per second, while the PC version will run at 60fps.
The 30fps will be delivered on both the Xbox 360 and PlayStation 3 at a resolution of 720p. The PC version, however, will run at full 1080p. Actually, a number of the most popular titles run at 720p, so the decision isn’t that surprising.
Of course, since the Frostbite 2 engine that DICE developed for Battlefield 3 is targeted at the next generation of consoles it only stands to reason that the performance will be increased when the engine is moved to the next generation of consoles; and the engine can take advantage of the additional performance that will be offered in the next generation of consoles.