Two Nvidia data center GPUs, one Ampere and one Pascal: 40 GB HBM2 against 24 GB GDDR5, 4.5x the memory bandwidth on the A800, and NVLink 400 GB/s on the A800 where the P40 is PCIe only.
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
- 24 GB
- GDDR5
- Memory bandwidth
- 346 GB/s
- From
- --
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | A800 | P40 | 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 P40 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | A800 | P40 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 40 GB HBM2 | 24 GB GDDR5 | 1.7x more on A800 |
| Bandwidth | 1,555 GB/s | 346 GB/s | 4.5x higher on A800 |
| Bus width | 5,120-bit | 384-bit | 13x wider on A800 |
| Compute · dense | |||
| FP16 / BF16 | 312 TFLOPS | ||
| INT8 | 623.5 TOPS | 47 TOPS | 13x higher on A800 |
| FP32 | 19.5 TFLOPS | 12 TFLOPS | 1.6x higher on A800 |
| FP64 | 9.7 TFLOPS | Not supported | A800 only |
| Platform | |||
| Interconnect | NVLink 400 GB/s | PCIe only | NVLink on A800 only |
| Board power | 240 W | 250 W | Within 5% |
| Released | Q4 2022 | Q3 2016 | 6 years newer on A800 |
| Precision | |||
| Supported formats | FP16BF16TF32FP32FP64INT4INT8 | FP16FP32INT8 | |
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 P40 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | A800 /GPU/hr | P40 /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 P40 on Sept. 7, 2026.