A data center GPU against a consumer card, one Blackwell and one Ada Lovelace: up to 192 GB HBM3e against 24 GB GDDR6X, 7.9x the memory bandwidth on the B100, and NVLink 1,800 GB/s on the B100 where the RTX 4090 is PCIe only.
At a glance
Updated 6 minutes ago- Memory
- 192 GB
- HBM3e
- Memory bandwidth
- 8.00 TB/s
- From
- --
- Memory
- 24 GB
- GDDR6X
- Memory bandwidth
- 1.01 TB/s
- From
- $0.23 /GPU/hr
- 17 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | B100 | RTX 4090 | Difference |
|---|---|---|---|
| On-demand | -- | $0.23 | |
| Spot | No spot listings | $0.16 | |
| Reserved | No reserved listings | $0.27 | |
| Median | -- | $0.44 |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
B100 vs RTX 4090 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | B100 | RTX 4090 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3e | 24 GB GDDR6X | 8x more on B100 |
| Bandwidth | 8,000 GB/s | 1,010 GB/s | 7.9x higher on B100 |
| Bus width | 384-bit | ||
| Compute · dense | |||
| FP4 | 7,000 TFLOPS | Not supported | B100 only |
| FP8 | 3,500 TFLOPS | 330.3 TFLOPS | 11x higher on B100 |
| FP16 / BF16 | 1,750 TFLOPS | 165.2 TFLOPS | 11x higher on B100 |
| INT8 | 3,500 TOPS | 660.6 TOPS | 5.3x higher on B100 |
| FP32 | 60 TFLOPS | 82.6 TFLOPS | 1.4x higher on RTX 4090 |
| FP64 | 30 TFLOPS | Not supported | B100 only |
| Platform | |||
| Interconnect | NVLink 1,800 GB/s | PCIe only | NVLink on B100 only |
| Released | Q4 2024 | Q4 2022 | 2 years newer on B100 |
| Precision | |||
| Supported formats | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | FP8FP16BF16TF32FP32INT4INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: B100 datasheet and RTX 4090 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | B100 /GPU/hr | RTX 4090 /GPU/hr |
|---|---|---|
Theta EdgeCloud
|
-- | On-Demand $0.23 |
Salad
|
-- | On-Demand $0.30 |
Novita
|
-- | On-Demand $0.33 |
GPU.ai
|
-- | On-Demand $0.34 |
Runpod
|
-- | On-Demand $0.34 |
Packet·ai
|
-- | On-Demand $0.39 |
Lium
|
-- | On-Demand $0.58 |
Vast.ai
|
-- | On-Demand $4.00 |
0 providers list the B100 and 17 the RTX 4090. Every listing is on the B100 page and the RTX 4090 page.
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia B100 was last updated on Sept. 7, 2026, and for Nvidia RTX 4090 on Sept. 7, 2026.