This year's iPhones and iPads will use chips made by TSMC. Back in 2014, TSMC invested $9 billion and hired 6,000 workers in just 11 months to meet the demand from Apple and this year, the Taiwanese company will depend on the Cupertino-based firm to fill up 80% of its capacity for the 7nm chips. It's a double-edged sword any way you look at it. If TSMC can keep up with the wield and demand, Apple will continue to choose TSMC as an exclusive provider of its processors. And let's be real for a second here - there aren't many direct rivals to TSMC when it comes to ARM chip...
Source: https://www.gsmarena.com/tsmc_to_be_the_sole_supplier_of_apples_chips_until_2020-news-32925.php
