GPU comparison · updated 2026-10-11

H100 vs RTX 4090

H100 starts at $1.99/GPU-hour on-demand; RTX 4090 starts at $0.35/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

$0.35/hr

82.4% cheaper at RTX 4090.

H100: $1.99 · RTX 4090: $0.35 per GPU-hour.

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

H100

H100 prices →

RTX 4090

RTX 4090 prices →

Spec sheet

	H100	RTX 4090
Spec variant	H100 SXM	RTX 4090
Architecture	Hopper	Ada Lovelace
VRAM (spec variant)	80 GB	24 GB
FP16 TFLOPS (dense)	989	165
Memory bandwidth	3350 GB/s	1008 GB/s
TDP	700 W	450 W
Interconnect	NVLink 900GB/s	PCIe Gen4
Launched	2022	2022

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

	H100	RTX 4090
Cheapest on-demand $/hr	$1.99	$0.35
Cheapest spot/community $/hr	$0.94	$0.16
Cheapest source	Voltage Park	TensorDock
Providers offering it	34	6

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 RTX 4090?

RTX 4090 is cheaper: the H100 rents from $1.99 per GPU-hour and the RTX 4090 from $0.35 on-demand, updated 2026-10-11.

Which has more VRAM, H100 or RTX 4090?

The largest recorded H100 variant has 94 GB and the largest RTX 4090 variant has 24 GB. Other variants may have less memory. The H100 has more.

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