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A100 40GB SXM has 67% more memory than GeForce RTX 3090 Founders / reference (40 GB vs 24 GB). Its memory bandwidth is 66% more (1.555 vs 0.936 TB/s). In the cloud, the median on-demand A100 40GB SXM price is $1.64 per GPU-hour against $0.16 for the GeForce RTX 3090 Founders / reference. Per gigabyte of GPU memory, that is $0.041 vs $0.007 per hour.
Manufacturer figures as recorded by Kovara. Higher memory and bandwidth are highlighted; neither is a benchmark of your workload.
| A100 40GB SXM | GeForce RTX 3090 Founders / reference | |
|---|---|---|
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Ampere | Ampere |
| Memory | 40 GB HBM2 | 24 GB GDDR6X |
| Memory bandwidth | 1.555 TB/s | 0.936 TB/s |
| Power (TDP) | 400 W | 350 W |
| Form factor | SXM | PCIe consumer |
Public offers Kovara tracks, normalised to US dollars per GPU-hour. Prices use on-demand terms where available; spot and reserved offers are on each GPU’s price pages. Lower is highlighted.
| A100 40GB SXM | GeForce RTX 3090 Founders / reference | |
|---|---|---|
| Lowest price | $1.15 | $0.090 |
| Median price | $1.64 | $0.16 |
| Highest price | $1.99 | $0.50 |
| Median per GB of memory | $0.041 | $0.007 |
| Public offers (all terms) | 5 | 7 |
| Providers | 3 | 3 |
Lowest tracked price per provider. Open a provider to see every offer, region and term.
Right now the cheapest on-demand A100 40GB SXM Kovara tracks is $1.15 per GPU-hour and the cheapest GeForce RTX 3090 Founders / reference is $0.090. Medians are $1.64 and $0.16. The cheaper GPU per hour is not always cheaper per job: a faster or larger GPU can finish sooner or need fewer units.
The A100 40GB SXM has more memory: 40 GB against 24 GB. Memory decides which models and batch sizes fit on one GPU.
No. This page compares manufacturer specifications and public prices. Real performance depends on the model, precision, software and interconnect. Kova can help you estimate cost for a specific workload.