The H100 has 3.3x the memory and 3.3x the bandwidth. The RTX 4090 is typically cheaper.
At a glance
Memory
3.3x more on H100
- H100
- 80 GB
- RTX 4090
- 24 GB
Memory bandwidth
3.3x higher on H100
- H100
- 3.35 TB/s
- RTX 4090
- 1.01 TB/s
Cheapest on-demand
81% cheaper on RTX 4090
- H100
- $1.71 /GPU/hr
- RTX 4090
- $0.33 /GPU/hr
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | H100 | RTX 4090 | Difference |
|---|---|---|---|
| On-demand | $3.52 /GPU/hr from $1.71 | $0.44 /GPU/hr from $0.33 | 87% cheaper on RTX 4090 |
| Reserved | $3.14 /GPU/hr from $1.53 (1 mo) | $0.46 /GPU/hr from $0.27 (12 mo) | 85% cheaper on RTX 4090 |
| Spot | $2.21 /GPU/hr from $0.66 | $0.25 /GPU/hr from $0.16 | 89% cheaper on RTX 4090 |
Heads up: A provider's own page may quote a different figure, for example on tax, region or a promotion. A monthly-only plan shows a derived hourly rate. Medians are across providers, one vote each, so a large catalog does not outweigh a small one. Verify before provisioning. More on how we price.
Price history
H100 vs RTX 4090 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | H100 | RTX 4090 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 80 GB HBM3 94 GB on NVL | 24 GB GDDR6X | 3.3x more on H100 |
| Bandwidth | 3,350 GB/s 2,000 GB/s on PCIe 3,938 GB/s on NVL | 1,010 GB/s | 3.3x higher on H100 |
| Bus width | 5,120-bit | 384-bit | 13x wider on H100 |
| Compute · dense | |||
| FP8 | 1,979 TFLOPS | 330.3 TFLOPS | 6x higher on H100 |
| FP16 / BF16 | 989.5 TFLOPS | 165.2 TFLOPS | 6x higher on H100 |
| INT8 | 1,979 TOPS | 660.6 TOPS | 3x higher on H100 |
| FP32 | 67 TFLOPS | 82.6 TFLOPS | 23% higher on RTX 4090 |
| FP64 | 34 TFLOPS | Not supported | H100 only |
| Platform | |||
| Interconnect | NVLink 900 GB/s NVLink 600 GB/s on PCIe, NVL | PCIe only | NVLink on H100 only |
| Board power | 700 W | 450 W | 56% higher on H100 |
| Released | Q3 2022 | Q4 2022 | |
| Precision | |||
| Supported formats | FP8FP16BF16TF32FP32FP64INT8 | FP8FP16BF16TF32FP32INT4INT8 | |
Figures are for each model's headline configuration. Where a form factor carries a different number, it is named under the figure.
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: H100 datasheet and RTX 4090 datasheet.
Where to rent them
Providers that rent these GPUs, with each one's cheapest rate. Providers that rent both are listed first.
| Provider | H100 | RTX 4090 |
|---|---|---|
|
|
$1.73 /GPU/hr On-demand SXM | $0.39 /GPU/hr On-demand |
|
|
$1.80 /GPU/hr On-demand SXM | $0.45 /GPU/hr On-demand |
|
|
$3.19 /GPU/hr On-demand NVL | $0.34 /GPU/hr On-demand |
|
|
$1.98 /GPU/hr On-demand PCIe | $0.39 /GPU/hr On-demand |
|
|
$1.80 /GPU/hr On-demand | -- |
|
|
$2.50 /GPU/hr On-demand PCIe | -- |
|
|
$2.65 /GPU/hr On-demand PCIe | -- |
|
|
$2.73 /GPU/hr On-demand | -- |
|
|
-- | $0.33 /GPU/hr On-demand |
|
|
-- | $0.33 /GPU/hr On-demand |
|
|
-- | $0.38 /GPU/hr On-demand |
|
|
-- | $0.39 /GPU/hr On-demand |
57 providers list the H100 and 20 the RTX 4090. Every listing is on the H100 page and the RTX 4090 page.
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia H100 was last updated on Sept. 14, 2026, and for Nvidia RTX 4090 on Sept. 14, 2026.