https://finance.yahoo.com/news/next-generation-iphone-chips-production-011414390.html

More-capable chips help smartphones run apps faster and last longer before having to be recharged, key advantages in a competitive industry that’s struggling to grow.

In April, TSMC, the world’s largest contract chipmaker, said it started mass-producing 7-nanometer processors, but didn’t disclose it was building them for a specific partner.