On-demand, the B200 rents for $6.49/hr and the MI300X for $4.41/hr — the MI300X is ~47% cheaper per hour, averaged across cloud providers.
| B200 | MI300X | |
|---|---|---|
| On-demand /hr | $6.49 | $4.41 |
| Spot /hr | $4.78 | $1.60 |
| Reserved /hr | $6.12 | $2.80 |
| Per month (on-demand) | $4,738 | $3,219 |
| B200 | MI300X | |
|---|---|---|
| Vendor | NVIDIA | AMD |
| Architecture | Blackwell | CDNA 3 |
| Memory | 192 GB HBM3e | 192 GB HBM3 |
| Memory bandwidth | 8 TB/s | 5.3 TB/s |
| Launched | 2025 | 2023 |
On-demand, the B200 averages $6.49/hr vs the MI300X at $4.41/hr — the MI300X is about 47% cheaper per hour. Spot rates are $4.78/hr vs $1.60/hr.
B200 costs more per hour but offers 192 GB HBM3e memory and newer architecture — for large-model training the higher hourly rate often yields a lower cost-per-job. For memory-bound inference or budget runs, the MI300X is usually the better value.
At on-demand rates that's about $4,738/mo for the B200 and $3,219/mo for the MI300X (730 hours).
See full pricing & history: B200 price · MI300X price · all GPUs.
Cross-provider averages from public cloud GPU listings. Informational only.