Pyyan / Compare / H100 vs B300 Blackwell Ultra
GPU & AI Chips · verified 13 Aug 2026
| Specification | H100 | B300 Blackwell Ultra |
|---|---|---|
| Summary | The workhorse of the previous generation. | 15 PFLOPS dense FP4. |
| Memory | 80GB HBM3 | 288GB HBM3e |
| Bandwidth | — | 8 TB/s |
| Price | $25–40K | ~$40–50K (verify) |
| Vendor | NVIDIA | NVIDIA |
| Category | GPU & AI Chips | GPU & AI Chips |
| Official | NVIDIA ↗ | NVIDIA ↗ |
Highlighted rows are where these differ.
Best for frontier training.