AMD Invented HBM. Fifteen Years Later, It Can’t Make a Single Stack.
AI 5 min read
Deep Dive October 13, 2026 · 2 days ago

AMD Invented HBM. Fifteen Years Later, It Can’t Make a Single Stack.

AMD co-invented High Bandwidth Memory in 2011 and shipped the first product. Today Lisa Su flies to Seoul to beg for supply. Why patents and standards don't make chips — and what AMD actually gave away.

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