AI Briefing#hbm4
The latest AI and developer news about #hbm4, with the original source and a short summary.
The latest AI and developer news about #hbm4, with the original source and a short summary.
The chip was announced at Hot Chips in late August 2026 and achieved tapeout in 9 months using AI-accelerated design processes.
Reports indicate Nvidia is testing a 192GB-class low-capacity configuration for Rubin Ultra to address memory shortages.
AMD has unveiled the MI455X, its next-generation AI accelerator based on the CDNA5 architecture.