Hot Chips 2026: d-Matrix stacks AI accelerator directly on custom DRAM for 100 TB/s per card — TSMC 4nm compute die bonded face-to-face at a 36-micron pitch on top of a custom-designed die

Tom's Hardware
Aug 26, 2026, 8:00 am128 pts
This Tom's Hardware Premium article is free to read with a Tom's Hardware account; no payment necessary. We're offering free access from August 23 to 26 so you can read all of our reporting from Hot Chips. d-Matrix presented Raptor, which it calls the first 3D DRAM accelerator for generative inference, at Hot…

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