B200 vs B300
Datasheet specs side by side, plus what each card actually costs to rent today across every provider we track.
B200
B300
Spec sheet
| B200 | B300 | |
|---|---|---|
| Architecture | Blackwell | Blackwell Ultra |
| VRAM (max variant) | 180 GB | 288 GB |
| FP16 TFLOPS (dense) | 2250 | 2250 |
| Memory bandwidth | 8000 GB/s | 8000 GB/s |
| TDP | 1000 W | 1400 W |
| Interconnect | NVLink 1800GB/s | NVLink 1800GB/s |
| Launched | 2024 | 2025 |
Computed price-performance at today's cheapest on-demand rates: B200 $2.62 per PFLOP-hour vs B300 $3.28. Formula: cheapest $/hr ÷ dense FP16 PFLOPS (1 PFLOP = 1000 TFLOPS). Specs from vendor datasheets (source, source).
What they cost to rent (2026-07-18)
| B200 | B300 | |
|---|---|---|
| Cheapest on-demand $/hr | $5.89 | $7.39 |
| Cheapest spot/community $/hr | $3.20 | $5.81 |
| Cheapest source | RunPod | RunPod |
| Providers offering it | 12 | 8 |
Cheapest verified on-demand rate per side from today's snapshot; highlighted = cheaper. Spot/marketplace tiers shown on the individual pages.
FAQ
Is the B200 cheaper to rent than the B300?
B200 is cheaper: the B200 rents from $5.89 per GPU-hour and the B300 from $7.39 on-demand, verified 2026-07-18.
Which has more VRAM, B200 or B300?
The B200 has 180 GB and the B300 has 288 GB. The B300 has more.
Prices render from the live dataset each build. More: the screener · price movers · methodology.