AMD has a new naming scheme for its mobile Ryzen processors, so complex that you’ll need a decoder ring to solve it. The new five-character naming scheme was born from the realization that AMD’s current mobile naming scheme was insufficient, Robert Hallock, director of technical marketing for AMD, wrote in a blog post on Wednesday. The scheme, though logical, is nevertheless so complex that the company actually gave out physical “decoder rings” as a fun way to explain the situation. Hallock wrote that the new processor naming scheme was designed to be informative, so that users could actually …