Infinity Architecture

Another element to AMD’s Financial Analyst Day 2020 was the disclosure of how the company intends to evolve its interconnect strategy with its Infinity Fabric (IF). The plan over the next two generations of products is for the IF to turn into its own architectural design, no longer just between CPU-to-CPU or GPU-to-GPU, and future products will see a near all-to-all integration. AMD introduced its Infinity Fabric with the first generation of Zen products, which was loosely described as a superset of Hypertransport allowing for fast connectivity between different chiplets within AMD’s enterprise processors, as well as between sockets in a multi-socket server. With Rome and Zen 2, the company unveiled its second generation IF, providing some more speed but also GPU-to-GPU connectivity. This second generation...