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Rahim Amir

EXPLAINED: Qualcomm high bandwidth compute aims to compete with high bandwidth flash and memory by stacking lpddr just above the cpu to eliminate hbm tax | Vintage Vibes

Qualcomm Memory Microsoft Data Center
A picture from Qualcomm's Investor Day 2026.
  • Qualcomm introduces High Bandwidth Compute (HBC) memory architecture
  • It leverages a hybrid design stacking LPDDR memory in a 3D space, leveraging multiple layers to essentially replace what the current generation of High Bandwidth Memory (HBM4) does
  • The move, which makes use of Qualcomm's extensive experience with LPDDR, is not only power-efficient but also offers massive amounts of bandwidth and up to 768GB of stacked memory for AI workloads

Qualcomm is reigniting its Data Center ambitions, building on its expertise as a chip designer that excels in the low-power compute segment by focusing on an entirely new architecture: High Bandwidth Compute (HPC).

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