Overview
- Samsung presented research proposing that the memory controller be relocated from the processor SoC into the HBM base die and that HBM evolve to include compute, a concept it calls aHBM.
- Company engineers said the memory controller currently consumes about 5–10% of SoC die area, and moving it could free silicon real estate for more on-chip compute transistors.
- aHBM would convert HBM from a passive high-speed buffer into an active memory-plus-compute element that could handle some AI workloads at or near the memory stack.
- Samsung framed these ideas as ongoing R&D presented at a technical conference rather than as announced products, with no timelines or deployment plans given.
- HBM base dies are already made on advanced logic processes, which Samsung cited as the technical reason this shift is possible and as a pathway to new packaging and chiplet trade-offs for AI hardware.