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A100 40GB SXM has 78% less memory than B200 SXM 180GB (40 GB vs 180 GB). Its memory bandwidth is 81% less (1.555 vs 8 TB/s). In the cloud, the median on-demand A100 40GB SXM price is $1.64 per GPU-hour against $6.87 for the B200 SXM 180GB. Per gigabyte of GPU memory, that is $0.041 vs $0.038 per hour.
Manufacturer figures as recorded by Kovara. Higher memory and bandwidth are highlighted; neither is a benchmark of your workload.
| A100 40GB SXM | B200 SXM 180GB | |
|---|---|---|
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Ampere | Blackwell |
| Memory | 40 GB HBM2 | 180 GB HBM3E |
| Memory bandwidth | 1.555 TB/s | 8 TB/s |
| Power (TDP) | 400 W | 1000 W |
| Form factor | SXM | SXM |
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 | B200 SXM 180GB | |
|---|---|---|
| Lowest price | $1.15 | $5.43 |
| Median price | $1.64 | $6.87 |
| Highest price | $1.99 | $8.60 |
| Median per GB of memory | $0.041 | $0.038 |
| Public offers (all terms) | 5 | 30 |
| Providers | 3 | 11 |
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 B200 SXM 180GB is $5.43. Medians are $1.64 and $6.87. The cheaper GPU per hour is not always cheaper per job: a faster or larger GPU can finish sooner or need fewer units.
The B200 SXM 180GB has more memory: 180 GB against 40 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.