https://wccftech.com/amd-rdna-3-navi-31-gpu-radeon-rx-7000-flagship-7-chiplet-mcm-rumor/

AMD's first and upcoming RDNA 3 GPUs such as the flagship Navi 31 chip for Radeon RX 7000 series are rumored to feature up to 7 chiplets. This revolutionary graphics architecture will be utilizing a variety of graphics, memory, and IO dies, a first for a consumer graphics chip.

AMD has been the pioneer of the chiplet technology, they brought it to the mainstream consumer segment with their Ryzen CPUs and now they are going to do the same in the Radeon GPU market. There have been several rumors and speculation regarding the use of MCM (Multi-Chip-Module) as a design methodology for the top RDNA 3 GPUs for a while now. In the latest tweet by Greymon55, the leaker states that the flagship Navi 31 GPU can feature as many as 7 chiplets.