Sometimes it feels like computers have reached peak speed. Often times, when trolling YouTube or playing a quick round of Overwatch the limitations on performance seem tied to something else. Your internet is too slow, or you need a new graphics card. Computer processors have gotten faster -- every year Intel unveils a microarchitecture with breathless claims of mighty performance improvements, but CPUs haven't had a real leap forward in a while. AMD's new Ryzen processors comes perilously close to changing the game.