AMD’s Next AI Accelerator Carries 432 Gigabytes of Memory — 50% More Than the Last One. Here’s the Bill That Comes With It.
Key Points AMD’s Instinct MI455X is specified at 432 gigabytes of HBM4 memory per chip, up 50% from the 288 gigabytes of HBM3E on the MI355X. CEO Lisa Su said Helios, the rack system built on the new chips, is in production, with initial shipments …