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HBM-PIM — project — Clarity Today

project

HBM-PIM

Samsung's earlier processing-in-memory implementation in HBM stacks, introduced in 2023 and requiring bank reduction to fit logic.

Current clusters

build1 distinct publisher

Samsung puts MAC trees in every LPDDR5X bank because HBM costs too much

At Hot Chips 2026 Samsung detailed a validated LPDDR5X-PIM part claiming 614 GB/s of internal bandwidth and 2.28x to 3.01x inference gains over plain LPDDR5X.

Publishers:tomshardware.com

Reality

Evidence52
Adoption18
Hype gap+34
Incentives74

Confidence55