Not a lot of people actually need this thing, but if you do, it's very good. AMD's Ryzen 9 9950X3D. Credit: Andrew Cunningham AMD's Ryzen 9 9950X3D. Credit: Andrew Cunningham Even three years later, AMD's high-end X3D-series processors still aren't a thing that most people need to spend extra money on—under all but a handful of circumstances, your GPU will be the limiting factor when you're running games, and few non-game apps benefit from the extra 64MB chunk of L3 cache that is the processors'...