#mi400 Tech News.
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The latest mi400 news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks mi400 across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.
ChipsServeTheHomeabout 2 hours ago
AMD MI400 GPU at Hot Chips 2026AMD detailed the Instinct MI400 series at Hot Chips 2026, led by the MI455X with 432GB HBM4 and 40.26 petaflops MXFP4. The Helios rack delivers 2.9 exaflops across 72 GPUs. ROCm software targets CUDA migration with AI Skills for Claude, Codex, Cursor, and Gemini.
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