AMD Unveils Instinct MI455X AI Accelerator and Helios Server Design
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AMD
Global
July 2026
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Read our editorial policy- Earlier version 17/23/2026, 8:51:04 PM
AMD introduces the Instinct MI455X AI accelerator featuring 24 chiplets and 432GB of HBM4 memory. The accelerator delivers up to 80 Petaflops of performance for sparse matrices. AMD also unveiled the Helios server rack design, which integrates 72 MI455X units.
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