A100 vs A40
A100 starts at $0.89/GPU-hour on-demand; A40 starts at $0.59/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.
33.7% cheaper at A40.
checked 16 October 2026. Price alone does not establish equivalent capacity or performance.
A100
A40
Spec sheet
| A100 | A40 | |
|---|---|---|
| Spec variant | A100 SXM 40GB | A40 |
| Architecture | Ampere | Ampere |
| VRAM (spec variant) | 40 GB | 48 GB |
| FP16 TFLOPS (dense) | 312 | 150 |
| Memory bandwidth | 1555 GB/s | 696 GB/s |
| TDP | 400 W | 300 W |
| Interconnect | NVLink 600GB/s | NVLink 112.5GB/s |
| Launched | 2020 | 2020 |
Rental price per manufacturer-rated FP16 compute: A100 $2.85 per PFLOP-hour vs A40 $3.93. Formula: cheapest $/hr ÷ dense FP16 PFLOPS (1 PFLOP = 1000 TFLOPS). This uses A100 SXM 40GB and A40, whose datasheets may differ from the variants above. It is not measured job throughput. Specs: A100 manufacturer, A40 manufacturer.
What they cost to rent (16 October 2026)
| A100 | A40 | |
|---|---|---|
| Cheapest on-demand $/hr | $0.89 | $0.59 |
| Cheapest spot/community $/hr | $0.68 | – |
| Cheapest source | Jarvislabs | RunPod |
| Providers offering it | 21 | 2 |
Cite this data
GPU Rental Prices, "A100 vs A40 Price October 2026: Specs + Cheapest Rental", prices checked 16 October 2026, https://gpurentalprices.com/vs/a100-vs-a40
Quote it with a link to this page. Downloads of the whole dataset are on Data & API.
Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.
FAQ
A40 is cheaper: the A100 rents from $0.89 per GPU-hour and the A40 from $0.59 on-demand, checked 16 October 2026.
The largest recorded A100 variant has 80 GB and the largest A40 variant has 48 GB. Other variants may have less memory. The A100 has more.
Compare more rental options: the screener · price movers · methodology.