As it officially launches mass production of 3nm processors which are expected in the [iPhone 15](https://appleinsider.com/inside/iphone-15 "iPhone 15") and new Macs, TSMC has boasted of greater power efficiency, associated with more speed.

![iPhone 15 Ultra to have a new curved edge](https://photos5.appleinsider.com/gallery/51479-102307-iPhone-15-Ultra-1-xl.jpg)iPhone 15 Ultra to have a new curved edge

[As expected](https://appleinsider.com/articles/22/12/26/tsmc-starting-production-of-3nm-chips-for-mac-iphone), TSMC held a ceremony on Thursday to mark the official start of production. According to _Bloomberg_, executives used the event to [make claims](https://www.bloomberg.com/news/articles/2022-12-29/tsmc-mass-produces-next-gen-chips-to-safeguard-global-lead) about what 3nm processors will mean for future devices.  
 