The B300 is newer, with 3x the memory and 2x the bandwidth.
At a glance
Memory
3x more on B300
- B300
- 288 GB
- H20
- 96 GB
Memory bandwidth
2x higher on B300
- B300
- 8.00 TB/s
- H20
- 4.00 TB/s
Cheapest on-demand
- B300
- $4.99 /GPU/hr
- H20
- --
Price comparison
Median price per GPU per hour by billing type, with the cheapest listing under it.
| Billing | B300 | H20 | Difference |
|---|---|---|---|
| On-demand | $8.50 /GPU/hr from $4.99 | No on-demand listings | |
| Reserved | $6.25 /GPU/hr from $4.25 | No reserved listings | |
| Spot | $5.26 /GPU/hr from $4.08 | No spot listings |
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
B300 vs H20 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | B300 | H20 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 288 GB HBM3e | 96 GB HBM3 | 3x more on B300 |
| Bandwidth | 8,000 GB/s | 4,000 GB/s | 2x higher on B300 |
| Bus width | 8,192-bit | ||
| Platform | |||
| Interconnect | NVLink 1,800 GB/s | PCIe only | NVLink on B300 only |
| Board power | 1,100 W | 400 W | 2.8x higher on B300 |
| Released | Q1 2025 | Q1 2024 | 15 months newer on B300 |
| Precision | |||
| Supported formats | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | FP8FP16BF16TF32FP32FP64INT8 | |
Source: B300 datasheet .
Where to rent them
Providers that rent these GPUs, with each one's cheapest rate. No provider we track offers both right now.
| Provider | B300 | H20 |
|---|---|---|
|
|
$7.10 /GPU/hr On-demand | -- |
|
|
$7.89 /GPU/hr On-demand SXM | -- |
|
|
$7.89 /GPU/hr On-demand SXM | -- |
|
|
$8.00 /GPU/hr On-demand SXM | -- |
|
|
$9.94 /GPU/hr On-demand | -- |
|
|
$16.00 /GPU/hr On-demand | -- |
|
|
$5.81 /GPU/hr Spot SXM | -- |
|
|
$5.00 /GPU/hr Custom SXM | -- |
34 providers list the B300 and 0 the H20. Every listing is on the B300 page and the H20 page.
Similar GPUs
Other comparisons in the same class.
-
Nvidia H100
80 GB HBM3 · 58% less bandwidth than the B300
From $1.73 /GPU/hr Compare -
Nvidia B200
180 GB HBM3e · released Q1 2024
From $3.75 /GPU/hr Compare -
Nvidia H200
141 GB HBM3e · 40% less bandwidth than the B300
From $2.09 /GPU/hr Compare -
Nvidia A100
80 GB HBM2e · 52% less bandwidth than the H20
From $0.40 /GPU/hr Compare
Our data for Nvidia B300 was last updated on Sept. 14, 2026, and for Nvidia H20 on Sept. 14, 2026.