Just a couple of weeks ago, AMD fleshed out its still-emerging Ryzen 4000 series of mobile processors based on its Zen 2 CPU architecture, with a couple of top-end parts—the Ryzen 9 4900H and Ryzen 9 4900HS. They sit at the top of AMD’s mobile stack and are bound to arrive in laptops next month. To pass the time, we can take a peek at potential