AMD announces Ryzen 9 4900H and 4900HS mobile chips

AMD is announcing two new laptop CPUs this morning: the Ryzen 9 4900H and the 4900HS. The chips are the top-performing members of AMD’s new 4000 mobile series, which is based on the company’s 7nm Zen 2 architecture, and they aim to take on Intel’s Core i9 laptop line.