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iPhone 15: 3nm engraving process in sight and 15 billion transistors

Forget the iPhone 14, the first rumors about the guts of the iPhone 15 vintage 2023 are already circulating.

After the 7 nm engraving process for the A13 Bionic processors present in the iPhone 12 series, then 5 nm for the iPhone 13, Apple is already considering the 3 nanometer technology. At the end of last year, this process was planned for the iPhone 14, but ultimately the iPhone 15 would benefit.

A15 Bionic for iPhone 15, 15 billion transistors

Indeed, the Taiwanese site DigiTimes indicates that the processor manufacturer TSMC will begin in the fourth quarter of 2022 to produce A15 Bionic 3 nm chips for the next iPhone, Mac and MacBook. For reference, the 7 nm process allowed a density of 90 million transistors per square millimeter, or a total of 8.5 billion transistors on iPhone 12. The 5 nm allowed a density of 134 million transistors per square millimeter. , that is to say a total of 11.8 billion transistors for the A14 Bionics of iPhone 13. Without further details, one can imagine what the 3 nm process will give on iPhone 15, around 15 billion transistors.