On-demand, the MI325X rents for $3.06/hr and the MI300X for $4.41/hr — the MI325X is ~44% cheaper per hour, averaged across cloud providers.
| MI325X | MI300X | |
|---|---|---|
| On-demand /hr | $3.06 | $4.41 |
| Spot /hr | $— | $1.60 |
| Reserved /hr | $1.95 | $2.80 |
| Per month (on-demand) | $2,234 | $3,219 |
| MI325X | MI300X | |
|---|---|---|
| Vendor | AMD | AMD |
| Architecture | CDNA 3 | CDNA 3 |
| Memory | 256 GB HBM3e | 192 GB HBM3 |
| Memory bandwidth | 6 TB/s | 5.3 TB/s |
| Launched | 2025 | 2023 |
On-demand, the MI325X averages $3.06/hr vs the MI300X at $4.41/hr — the MI325X is about 44% cheaper per hour. Spot rates are $—/hr vs $1.60/hr.
MI300X costs more per hour but offers 256 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 MI325X is usually the better value.
At on-demand rates that's about $2,234/mo for the MI325X and $3,219/mo for the MI300X (730 hours).
See full pricing & history: MI325X price · MI300X price · all GPUs.
Cross-provider averages from public cloud GPU listings. Informational only.