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AMD Previews 432 GB HBM4 Instinct MI400 GPUs and Helios Rack‑Scale AI Solution

Summary by techpowerup.com
At its "Advancing AI 2025" event, AMD rolled out its new Instinct MI350 lineup on the CDNA 4 architecture and teased the upcoming UDNA-based AI accelerator. True to its roughly one‑year refresh rhythm, the company confirmed that the Instinct MI400 series will land in early 2026, showcasing a huge leap in memory, interconnect bandwidth, and raw compute power. Each MI400 card features twelve HBM4 stacks, providing a whopping 432 GB of on-package m…
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[Digital Daily Reporter Kim Moon-ki] "We are different from our independent competitors. We will open the agentic era through the 'open AI' strategy." Lisa Su, CEO of AMD, made a grand announcement of AMD's roadmap for AI infrastructure at AMD AI Advances 2025 (AAI 2025) held at the San Jose Convention Center in the United States on the 12th (local time). From the commercialization of the new MI350 series and the official announcement of the MI4…

In addition to the introduction of the Instinct MI350 family based on the CDNA-4 architecture, AMD gave an overview of what should come after the "Advancing AI 2025" event.

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phoronix.com broke the news in on Thursday, June 12, 2025.
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