The site 9to5mac , to whom we owe many discoveries in the test versions of IOS just made a new discovery. Delving into the internal files of the latest beta of iOS 5.1, the team found the site in the software that manages the operation of these hearts a reference to a Quad-Core (4 cores). The number 0 indicates the presence of one heart (the chip A4), then the number 1 for two hearts (A5 chip on the second image), and 3 points then the possible use of four cores.
It's not really a surprise for many weeks the rumors have reported the arrival of a chip with four cores A6. The screens retina is fairly resource intensive, it is essential to have a more powerful processor on the iPad 3 not to lose fluidity.