The CPU is the central processing unit, which is the central component in a computer. It's responsible for processing instructions and controlling the other components. Many include basic on-board graphics processors too so you can power a display without needing a separate graphics card. AMD has a wide range of models suited to different tasks and budgets. Choose from FM2®, FX®, AM1® & AMD® RYZEN® technologies. Before buying, ensure you've got a compatible motherboard.