Vera Rubin superchip: NVLink-C2C at 1.8 TB/s, 2x Grace Blackwell
cfregly · x · 2026-11-11
cfregly illustrates the Vera Rubin superchip design: the Vera CPU connects to two Rubin GPUs over NVLink-C2C at 1.8 TB/s — 2x Grace Blackwell/Hopper's NVLink-C2C and roughly 7x standard PCIe Gen 6. Figures cited from NVIDIA's official spec sheet.
Related event: Vera Rubin Megachip Architecture Explained(2 posts)→
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