It's well established that the A6X chip in the fourth-generation iPad is about twice as fast as its predecessor in pure number crunching, but how about those reportedly doubled graphics amid some increasingly fierce competition? Thanks to some help from Kishonti, AnandTech has learned that Apple may still have an ace up its sleeve. The new tablet carries a new, quad-core PowerVR SGX554MP4 with twice the raw potential as the already quick 543MP4 graphics in the A5X. While that
