AITom's Hardware2 days ago
AMD's Helios MI455X Uses UALink-over-Ethernet at Launch
1 min read
AMD's Helios MI455X AI platform ships with 72 Instinct MI455X accelerators and 31 TB HBM4 memory. Systems use UALink-over-Ethernet interconnects offering up to 260 TB/s bandwidth. The platform delivers 2900 FP4 PFLOPS performance, behind Nvidia's VR200 in compute but ahead in memory capacity. Helios supports both UALink-over-Ethernet and true UALink with 800 GbE Pensando Vulcano NICs providing 43 TB/s scale-out bandwidth.
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