or, just a thought
the ad company fucked up.
Apple's new iPhone 4S contains a chip the Mac maker calls the A5. But if a pic of the beast included in the 4S advert shown at the handset's launch is anything to go by, the A5 actually contains a pair of Intel 'Nehalem' processors - aka the first-gen Core i7. Here's a snap from the Apple event, taken during the commercial …
Seems this slide was only on the endgadget site/blog and was put in with their own slide of the antenna. Neither slide was in the Apple keynote, though there was a different version of the antenna with a ghost outline of the phone over it.
Other pictures of the A5 (and it's in the iPad 2 remember) show it as a Samsung made ARM with twin processors.