GPU:CPU ratio fixed by the GB200 NVL72 package (72 Blackwell GPUs : 36 Grace CPUs)
2 : 1observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Same 2:1 package ratio on GB300 NVL72 and Vera Rubin NVL72 (72 GPUs : 36 CPUs). AMD Helios is 4:1 (72 MI455X : 18 EPYC). Per package, not per core. |
| As of | 2025 |
| Source | NVIDIA (GB200 NVL72) · GB200 NVL72 system overview; specifies 72 Blackwell GPUs and 36 Grace CPUs |
| Review | checking…review by 2027-04-15 · standard cadence |
| Recorded changes | last 2026-06-29 |
| Claim id | gpu-cpu-ratio-fixed-by-the-gb200-nvl72-package |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.