GPU comparison · updated 2026-10-11

H100 vs B300

H100 starts at $1.99/GPU-hour on-demand; B300 starts at $4.99/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.

Lowest on-demand rate for each GPU

$1.99/hr

60.1% cheaper at H100.

H100: $1.99 · B300: $4.99 per GPU-hour.

updated 2026-10-11. Price alone does not establish equivalent capacity or performance.

H100

H100 prices →

B300

B300 prices →

Spec sheet

	H100	B300
Spec variant	H100 SXM	B300
Architecture	Hopper	Blackwell Ultra
VRAM (spec variant)	80 GB	288 GB
FP16 TFLOPS (dense)	989	2250
Memory bandwidth	3350 GB/s	8000 GB/s
TDP	700 W	1400 W
Interconnect	NVLink 900GB/s	NVLink 1800GB/s
Launched	2022	2025

What they cost to rent (2026-10-11)

	H100	B300
Cheapest on-demand $/hr	$1.99	$4.99
Cheapest spot/community $/hr	$0.94	$4.08
Cheapest source	Voltage Park	Prime Intellect
Providers offering it	34	17

Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.

FAQ

Is the H100 cheaper to rent than the B300?

H100 is cheaper: the H100 rents from $1.99 per GPU-hour and the B300 from $4.99 on-demand, updated 2026-10-11.

Which has more VRAM, H100 or B300?

The largest recorded H100 variant has 94 GB and the largest B300 variant has 288 GB. Other variants may have less memory. The B300 has more.

Compare more rental options: the screener · price movers · methodology.