Speculating on NVIDIA B/R series MIG limits and GPC counts
TheZachMueller · x · 2026-09-01
A technical discussion regarding MIG (Multi-Instance GPU) instance limits and GPC (Graphics Processing Cluster) configurations across different NVIDIA GPU architectures:
- A/H series: Confirmed to support only 7 MIG instances, linked to having 8 GPCs.
- B/R series: Specs are unclear. Some suggest there may be more than 8 GPCs per cluster, potentially allowing for more MIG instances.
The thread aims to clarify the physical resource partitioning differences between chip generations.
Related event: Developers Question NVIDIA's Stale 7-Instance MIG Limit(2 posts)→
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