It's too bad the Ryzen Z series is affected by the same technological mix-and-match game that AMD plays with its laptop processors, continuing to rebrand old silicon and reserving the most significant progress for top-of-the-line chips.

AMD's CES announcements include a tease about next-gen graphics cards, a new flagship desktop CPU, and a modest refresh of its processors for handheld gaming PCs. But the company's largest announcement,