Two Nvidia data center GPUs, one Ampere and one Blackwell: 40 GB HBM2 against up to 192 GB HBM3e and 5.1x the memory bandwidth on the B100.
At a glance
Updated 43 minutes ago- Memory
- 40 GB
- HBM2
- Memory bandwidth
- 1.55 TB/s
- From
- $1.18 /GPU/hr
- 1 provider
- Memory
- 192 GB
- HBM3e
- Memory bandwidth
- 8.00 TB/s
- From
- --
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | A800 | B100 | Difference |
|---|---|---|---|
| On-demand | $1.18 | -- | |
| Median | $1.18 | -- |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
A800 vs B100 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | A800 | B100 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 40 GB HBM2 | 192 GB HBM3e | 4.8x more on B100 |
| Bandwidth | 1,555 GB/s | 8,000 GB/s | 5.1x higher on B100 |
| Bus width | 5,120-bit | ||
| Compute · dense | |||
| FP4 | Not supported | 7,000 TFLOPS | B100 only |
| FP8 | Not supported | 3,500 TFLOPS | B100 only |
| FP16 / BF16 | 312 TFLOPS | 1,750 TFLOPS | 5.6x higher on B100 |
| INT8 | 623.5 TOPS | 3,500 TOPS | 5.6x higher on B100 |
| FP32 | 19.5 TFLOPS | 60 TFLOPS | 3.1x higher on B100 |
| FP64 | 9.7 TFLOPS | 30 TFLOPS | 3.1x higher on B100 |
| Platform | |||
| Interconnect | NVLink 400 GB/s | NVLink 1,800 GB/s | 4.5x higher on B100 |
| Released | Q4 2022 | Q4 2024 | 2 years newer on B100 |
| Precision | |||
| Supported formats | FP16BF16TF32FP32FP64INT4INT8 | FP4FP6FP8FP16BF16TF32FP32FP64INT8 | |
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: A800 datasheet and B100 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | A800 /GPU/hr | B100 /GPU/hr |
|---|---|---|
GPUhub
|
On-Demand $1.18 | -- |
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia A800 was last updated on Sept. 7, 2026, and for Nvidia B100 on Sept. 7, 2026.