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IBM Analog-AI Chip

Canonical Summary

IBM Research 14 nm analog-AI chip: 35 million PCM devices, 34 tiles, and up to 12.4 TOPS/W sustained.

Lead Organization
IBM Research
Key Technical Metric
12.4 TOPS/W
Maturity / Status
Published 23 Aug 2023
Governance / License
Nature

Technical Specifications

Process 14 nm
Memory 35 million phase-change memory devices
Tiles 34
Array 512 × 2,048 PCM devices per tile
Performance Up to 12.4 TOPS/W chip-sustained
Accuracy Software-equivalent keyword spotting; near-software-equivalent MLPerf RNNT
Multi-chip map More than 45 million weights on more than 140 million PCM devices across five chips
Verification: verified · Retrieved: 2026-10-19 · Primary Source Reference