A40 vs Tesla T4
A40 starts at $0.59/GPU-hour on-demand; Tesla T4 starts at $0.35/GPU-hour on-demand. Compare the exact variants, memory and published specifications below. GPU spec numbers are not benchmarks.
40.7% cheaper at Tesla T4.
updated 2026-10-11. Price alone does not establish equivalent capacity or performance.
A40
Tesla T4
Spec sheet
| A40 | Tesla T4 | |
|---|---|---|
| Spec variant | A40 | Tesla T4 |
| Architecture | Ampere | Turing |
| VRAM (spec variant) | 48 GB | 16 GB |
| FP16 TFLOPS (dense) | 150 | 65 |
| Memory bandwidth | 696 GB/s | 320 GB/s |
| TDP | 300 W | 70 W |
| Interconnect | NVLink 112.5GB/s | PCIe Gen3 |
| Launched | 2020 | 2018 |
Rental price per manufacturer-rated FP16 compute: A40 $3.93 per PFLOP-hour vs Tesla T4 $5.38. Formula: cheapest $/hr ÷ dense FP16 PFLOPS (1 PFLOP = 1000 TFLOPS). This uses A40 and Tesla T4, whose datasheets may differ from the variants above. It is not measured job throughput. Specs: A40 manufacturer, Tesla T4 manufacturer.
What they cost to rent (2026-10-11)
| A40 | Tesla T4 | |
|---|---|---|
| Cheapest on-demand $/hr | $0.59 | $0.35 |
| Cheapest spot/community $/hr | – | $0.209 |
| Cheapest source | RunPod | Google Cloud |
| Providers offering it | 2 | 5 |
Cheapest on-demand rate; the cheaper one is highlighted. Spot/marketplace tiers shown on the individual pages.
FAQ
Tesla T4 is cheaper: the A40 rents from $0.59 per GPU-hour and the Tesla T4 from $0.35 on-demand, updated 2026-10-11.
The largest recorded A40 variant has 48 GB and the largest Tesla T4 variant has 16 GB. Other variants may have less memory. The A40 has more.
Compare more rental options: the screener · price movers · methodology.