OK- here is the talk about 4 core Arm processors and a new powervr chip that can work with multiple cores- further "evidence" for the skeptics:
https://www.macrumors.com/2009/01/08/new-multi-core-iphone-with-firmware-3-0/
https://www.macrumors.com/2009/01/08/new-multi-core-iphone-with-firmware-3-0/