A100 SXM4 vs RTX 4090 price comparison
Compare A100 SXM4 vs RTX 4090 price, VRAM, and provider coverage so you can see which GPU is cheaper to rent today and how the spread has moved over time.
A100 SXM4 vs RTX 4090: how to compare cost in context
If you are choosing between A100 SXM4 and RTX 4090, hourly price is only part of the trade-off. This page lines up specs, shared providers, and current market pricing so you can compare both cost and coverage.
Use the specs table to understand the memory difference, the historical chart to see how each market has moved, and the provider table to check whether one GPU consistently carries a premium on the same cloud.
A100 SXM4 vs RTX 4090: cheapest market entry
RTX 4090 currently has the lower on-demand entry price, starting at $0.31/hr on Vast.ai, while A100 SXM4 starts at $1.49/hr on RunPod. Across 1 providers with fresh on-demand prices for both GPUs, A100 SXM4 is cheaper on 0 providers and RTX 4090 is cheaper on 1 providers.
How the side-by-side comparison works
We compare fresh on-demand per-GPU hourly prices for both models and keep provider histories separate so you can see whether a gap is structural or just a short-lived market move. Stale, spot, and community rows do not drive the current-price decision copy.
A100 SXM4 vs RTX 4090 pricing FAQ
Which is cheaper right now: A100 SXM4 or RTX 4090?
RTX 4090 currently has the lower on-demand entry price, starting at $0.31/hr on Vast.ai, while A100 SXM4 starts at $1.49/hr on RunPod. Across 1 providers with fresh on-demand prices for both GPUs, A100 SXM4 is cheaper on 0 providers and RTX 4090 is cheaper on 1 providers.
How much VRAM do A100 SXM4 and RTX 4090 have?
A100 SXM4 is tracked with 80GB of HBM2e, while RTX 4090 is tracked with 24GB of GDDR6X.
Which providers currently carry both A100 SXM4 and RTX 4090?
We currently see fresh shared on-demand coverage on RunPod.
How fresh is the A100 SXM4 vs RTX 4090 pricing data?
The decision copy uses fresh on-demand rows from the latest stored snapshot for each GPU and provider. The newest qualifying row is from Jul 31, 2026, and collectors run daily.
Popular follow-up comparisons after A100 SXM4 vs RTX 4090
These related pages surface the first high-intent GPU price comparisons we are prioritizing for buyers researching upgrade paths, cheaper substitutes, and provider coverage.
| Spec | A100 SXM4 | RTX 4090 |
|---|---|---|
| VRAM | 80 GB | 24 GB |
| Memory Type | HBM2e | GDDR6X |
| Generation | Ampere | Ada Lovelace |
| Tier | High Performance | Budget |
| Best fresh on-demand price | — | — |
| Providers | — | — |
Historical A100 SXM4 vs RTX 4090 price trend
Fresh on-demand price by provider: A100 SXM4 vs RTX 4090
| Provider | A100 SXM4 | RTX 4090 | Difference |
|---|---|---|---|
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