AMD takes the wraps off its Instinct MI455X AI accelerator — CDNA 5 and Helios rack-scale architecture combine to take the fight to Nvidia in the data center

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AMD takes the wraps off its Instinct MI455X AI accelerator — CDNA 5 and Helios rack-scale architecture combine to take the fight to Nvidia in the data center
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AMD showed off its MI455X accelerator at its Advancing AI 2026 event, demonstrating its strong competitive performance, large HBM memory capacity, and Helios rack-scale architecture.

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