No, it won't, because LTE is a bigger priority for sales and Apple is all about battery life, which will go down the drain if they use a Quad Core CPU. The graphics may be Quad, but the CPU will remain Dual Core.
I really don't know why you guys think it will be Quad Core, especially considering that the phone will be thinner, as well.
It may be the similar specs as the 4S with a slight speed bump to the GPU.
Ipad 3's 4G technology, bigger screen, redesigned phone. Will focus more on iOS 6 improvements, and 4G technologies. Phone will whoop ass as iphones before it. Samsung's new phablets are just big. But will that be enough? samsung Gallaxy 4 can't get bigger than 5" because that would be too much, how would Samsung woo the non tech savy users who only think a good smart phone has a bigger screen? Maybe this round with the near 5" Galaxy 3 but next year? what will they have? Nothing. The redesigned iphone 5 will probably benchmark for next year's phones which will probably shrink back to 4" screen size and mimick iphone 5 design.