B200 vs MI355X
B200 starts at $3.49/GPU-hour on-demand; MI355X starts at $5.99/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.
41.7% cheaper at B200.
updated 2026-10-12. Price alone does not establish equivalent capacity or performance.
B200
MI355X
Spec sheet
| B200 | MI355X | |
|---|---|---|
| Spec variant | B200 | MI355X |
| Architecture | Blackwell | CDNA 4 |
| VRAM (spec variant) | 180 GB | 288 GB |
| FP16 TFLOPS (dense) | 2250 | 2500 |
| Memory bandwidth | 8000 GB/s | 8000 GB/s |
| TDP | 1000 W | 1400 W |
| Interconnect | NVLink 1800GB/s | Infinity Fabric |
| Launched | 2024 | 2025 |
Rental price per manufacturer-rated FP16 compute: B200 $1.55 per PFLOP-hour vs MI355X $2.40. Formula: cheapest $/hr ÷ dense FP16 PFLOPS (1 PFLOP = 1000 TFLOPS). This uses B200 and MI355X, whose datasheets may differ from the variants above. It is not measured job throughput. Specs: B200 manufacturer, MI355X manufacturer.
What they cost to rent (2026-10-12)
| B200 | MI355X | |
|---|---|---|
| Cheapest on-demand $/hr | $3.49 | $5.99 |
| Cheapest spot/community $/hr | $3.20 | $2.59 |
| Cheapest source | Prime Intellect | Daytona |
| Providers offering it | 20 | 2 |
Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.
FAQ
B200 is cheaper: the B200 rents from $3.49 per GPU-hour and the MI355X from $5.99 on-demand, updated 2026-10-12.
The largest recorded B200 variant has 180 GB and the largest MI355X variant has 288 GB. Other variants may have less memory. The MI355X has more.
Compare more rental options: the screener · price movers · methodology.