Nvidia Rubin
Infrastructure & Cloud
AMD’s Instinct MI455X: A 432GB HBM4 Challenger Aimed Straight at Nvidia’s Rubin
ALGERIATECH Editorial
August 21, 2026
AMD's Instinct MI455X GPU brings 432GB HBM4 memory and up to 40 PFLOPS of AI compute, built on 2nm and shipping in the Helios rack platform.
