For folk who aren’t familiar, AMD’s desktop CPUs since third-generation Ryzen have followed a particular form: two or three chips under an integrated heatspreader, with one being an I/O die that connects to external devices like memory, PCIe, and USB, while the other one or two dice are Core Complex Dice (CCDs) that contain the actual CPU

Source: Hot Hardware – Delidding AMD’s Ryzen 7 7600X Zen 4 CPU Yields A Chiplet Surprise