Chiplets, as the name suggests, are smaller less complex chips, that meant to work together into more powerful processors. They're arguably the inevitable future for all high-performance components, and, in some cases, the successful present; AMD's use of chiplet CPU designs has been brilliant.
https://www.techspot.com/news/88138-amd-patents-chiplet-gpu-design-unlike-nvidia-intel.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/88138-amd-patents-chiplet-gpu-design-unlike-nvidia-intel.html?utm_source=dlvr.it&utm_medium=blogger