A data center GPU against a consumer card, one Blackwell and one Ampere: up to 192 GB HBM3e against 10 GB GDDR6X, 11x the memory bandwidth on the B100, and NVLink 1,800 GB/s on the B100 where the RTX 3080 is PCIe only.
At a glance
Updated 7 minutes ago- Memory
- 192 GB
- HBM3e
- Memory bandwidth
- 8.00 TB/s
- From
- --
- Memory
- 10 GB
- GDDR6X
- Memory bandwidth
- 760 GB/s
- From
- $0.18 /GPU/hr
- 3 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | B100 | RTX 3080 | Difference |
|---|---|---|---|
| On-demand | -- | $0.18 | |
| Spot | No spot listings | $0.06 | |
| Median | -- | $0.19 |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
B100 vs RTX 3080 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | B100 | RTX 3080 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 192 GB HBM3e | 10 GB GDDR6X | 19x more on B100 |
| Bandwidth | 8,000 GB/s | 760 GB/s | 11x higher on B100 |
| Bus width | 320-bit | ||
| Compute · dense | |||
| FP4 | 7,000 TFLOPS | Not supported | B100 only |
| FP8 | 3,500 TFLOPS | Not supported | B100 only |
| FP16 / BF16 | 1,750 TFLOPS | 59.5 TFLOPS | 29x higher on B100 |
| INT8 | 3,500 TOPS | 238 TOPS | 15x higher on B100 |
| FP32 | 60 TFLOPS | 29.8 TFLOPS | 2x higher on B100 |
| FP64 | 30 TFLOPS | Not supported | B100 only |
| Platform | |||
| Interconnect | NVLink 1,800 GB/s | PCIe only | NVLink on B100 only |
| Released | Q4 2024 | Q3 2020 | 4 years newer on B100 |
| Precision | |||
| Supported formats | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | FP16BF16TF32FP32INT4INT8 | |
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: B100 datasheet and RTX 3080 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 3080 /GPU/hr |
|---|---|---|
Salad
|
-- | On-Demand $0.18 |
Theta EdgeCloud
|
-- | On-Demand $0.21 |
Runpod
|
-- | On-Demand $0.17 |
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia B100 was last updated on Sept. 7, 2026, and for Nvidia RTX 3080 on Sept. 7, 2026.