AMD have quite successfully moved their CPU design to this type of architecture, taking advantage of the IP which came along with the Xilinx purchase to improve their interconnect technology. We have seen constant improvement of Infinity Fabric with every generation of Zen and that experience could certainly be transferred directly to future Radeon products. With a fast interconnect such as they have, the latency issues familiar to anyone who played around with a first generation Threadripper will not plague a GPU consisting of numerous chiplets.