A third-generation iPad Air will run an 'A9X' processor and an 'iPhone 5se' will be outfitted with Apple's 'A9' chip, according to Bloomberg Bussinessweek's profile of Johny Srouji, Senior Vice President of Hardware Technologies.
“In March, Apple intends to announce an updated iPad and smaller-screen iPhone featuring the latest A9x and A9 chips, according to a person familiar with the plans, who wasn’t authorized to comment publicly,” reads a passage from the Bloomberg article.