Source : Digitimes According to Digitimes, UMC specialized in the manufacture of made-to-order chips obtained the contract of manufacture the 3G chips that will be used the iPhone.
According to the information, these chips will be manufactured in 65 nm, which is unusual for this type of product rather than the 90 nm.
This would be proof that Apple has pulled all stops to decrease the power consumption, a large black spot of this type of chip.
[translation by crispin]