Intel's inertia ran out, and AMD surpassed them because they're actively innovating. This is what happens when an incumbent company delays new products because

Intel's inertia ran out, and AMD surpassed them because they're actively innovating. This is what happens when an incumbent company delays new products because of mismanagement or to maximize profits. (See also, Apple) A CPU isn't like a database, it's easy for customers to switch to a competitor.