H200 vs B300
Datasheet specs side by side, plus what each card actually costs to rent today across every provider we track.
H200
B300
Spec sheet
| H200 | B300 | |
|---|---|---|
| Architecture | Hopper | Blackwell Ultra |
| VRAM (max variant) | 143 GB | 288 GB |
| FP16 TFLOPS (dense) | 989 | 2250 |
| Memory bandwidth | 4800 GB/s | 8000 GB/s |
| TDP | 700 W | 1400 W |
| Interconnect | NVLink 900GB/s | NVLink 1800GB/s |
| Launched | 2023 | 2025 |
Computed price-performance at today's cheapest on-demand rates: H200 $3.66 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 (2026-07-19)
| H200 | B300 | |
|---|---|---|
| Cheapest on-demand $/hr | $3.62 | $7.39 |
| Cheapest spot/community $/hr | $3.31 | $5.81 |
| Cheapest source | Massed Compute | RunPod |
| Providers offering it | 15 | 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 H200 cheaper to rent than the B300?
H200 is cheaper: the H200 rents from $3.62 per GPU-hour and the B300 from $7.39 on-demand, verified 2026-07-19.
Which has more VRAM, H200 or B300?
The H200 has 143 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.