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Tech/Global
AMD Unveils Instinct MI455X AI Accelerator and Helios Server Design
MULTIPLE REPORTS·Published ·Updated ·Main reference · Heise Online
30-second brief
Key Facts
- 01 — Who
AMD
- 02 — Where
Global
- 03 — When
July 2026
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.
AI Processing Note
This page is produced by collecting and structuring multiple public reports. Sections based only on reporting or testimony affect the displayed assessment, and the page is updated when new information is identified.
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COMPAMIR Editorial Team
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Read our editorial policy- Revision v17/23/2026, 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.