AMD's Helios MI455X AI platform breaks cover, initial systems use UALink-over-Ethernet interconnects — AMD's Vera Rubin rival surfaces, but the downsides of Ethernet could hamstring performance

AMD’s Helios set to compete against Nvidia’s NVL72 VR200 rack-scale system later this year, but its UALink-over-Ethernet interconnection may affect performance in certain workloads before real UALink interconnects are deployed.