MI300X vs B200
MI300X starts at $2.39/GPU-hour on-demand; B200 starts at $3.49/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. Peak compute figures do not establish application speed.
31.5% cheaper at MI300X.
updated 2026-10-06. Price alone does not establish equivalent capacity or performance.
MI300X
B200
Spec sheet
| MI300X | B200 | |
|---|---|---|
| Spec variant | MI300X | B200 |
| Architecture | CDNA 3 | Blackwell |
| VRAM (spec variant) | 192 GB | 180 GB |
| FP16 TFLOPS (dense) | 1307 | 2250 |
| Memory bandwidth | 5300 GB/s | 8000 GB/s |
| TDP | 750 W | 1000 W |
| Interconnect | Infinity Fabric | NVLink 1800GB/s |
| Launched | 2023 | 2024 |
Rental price per manufacturer-rated FP16 compute: MI300X $1.83 per PFLOP-hour vs B200 $1.55. Formula: cheapest $/hr ÷ dense FP16 PFLOPS (1 PFLOP = 1000 TFLOPS). This uses MI300X and B200, whose datasheets may differ from the variants above. It is not measured job throughput. Specs: MI300X manufacturer, B200 manufacturer.
What they cost to rent (2026-10-06)
| MI300X | B200 | |
|---|---|---|
| Cheapest on-demand $/hr | $2.39 | $3.49 |
| Cheapest spot/community $/hr | – | $3.20 |
| Cheapest source | RunPod | Prime Intellect |
| Providers offering it | 5 | 21 |
Lowest recorded on-demand rate per configuration; highlighted = cheaper. Spot/marketplace tiers shown on the individual pages.
FAQ
MI300X is cheaper: the MI300X rents from $2.39 per GPU-hour and the B200 from $3.49 on-demand, updated 2026-10-06.
The largest recorded MI300X variant has 192 GB and the largest B200 variant has 180 GB. Other variants may have less memory. The MI300X has more.
Compare more rental options: the screener · price movers · methodology.