Apple announced the M6 chip last week, just ahead of its September iPhone event, providing the clearest indication yet of what the A20 will bring to the iPhone 18 lineup. Apple silicon generations share much of their architecture across the A-series and the M-series, so a new A-series chip normally functions as a partial preview of the M-series chip that follows it. This year the order reversed; the M6 was revealed on August 25, ahead of the A20 Pro expected in the iPhone 18 Pro this month.