Comparison · GPU vs GPU · read 21:35 UTCRTX 5090 vs RTX 3090 Ti
Specifications, today's prices from 30 providers, price per unit of memory and compute, and who rents each cheapest. Better values are highlighted; lower is better for prices.
Side by sideSpecs, prices, value
Highlighted cells are the better of the two: more memory and compute, lower prices, lower cost per unit.
| RTX 5090 | RTX 3090 Ti | Difference | |
|---|---|---|---|
| Memory & compute | |||
| VRAM | 32 GB | 24 GB | +33% |
| Memory bandwidth | 1.79 TB/s | 1.01 TB/s | +78% |
| FP16 tensor | — | — | — |
| FP32 | 104 TFLOPS | 40 TFLOPS | +160% |
| Power | 575 W | 450 W | +28% |
| Prices today | |||
| Cheapest on-demand | $0.24 | $0.14 | +65% |
| Median on-demand | $0.69 | $0.20 | +240% |
| Highest on-demand | $1.88 | $0.25 | +658% |
| Cheapest spot | $0.10 | $0.10 | 0% |
| Cheapest reserved | $0.38 | — | — |
| Current offers (n) | 58 | 6 | +867% |
| Providers with a fresh offer | 25 | 5 | +400% |
| Value | |||
| Per GB of VRAM · hour (cheapest) | $0.007 | $0.006 | +24% |
| Per GB of VRAM · hour (median) | $0.022 | $0.008 | +155% |
| Per PFLOP FP16 · hour (median) | — | — | — |
| Per TB/s · hour (median) | $0.385 | $0.201 | +91% |
| Trend | |||
| 30-day median change | +29.7% | +3.8% | — |
| 90-day median change | — | +21.9% | — |
90 days · median on-demand price · rebased to 100How the two have moved
Both medians indexed to 100 ninety days ago, so the slopes compare even though the price levels differ.
Cheapest providers today · on-demand · current offersWho rents each one cheapest
- 1
SaladTrust 671× $0.24 - 2
Clore.aiTrust 461× $0.33 - 3
HyperAI1× $0.35
- 1
gcube1× $0.14
- 2Clore.aiTrust 461× $0.17
- 3
Vast.aiTrust 781× $0.20
Verdict · computed from the numbers aboveChoose one, choose the other
Choose the RTX 5090 if…
- your model needs more than 24 GB per GPU: 32 GB against 24 GB.
- you want choice: 25 providers have a fresh offer today against 5.
Choose the RTX 3090 Ti if…
- the hourly price matters most: median $0.20 against $0.69, 71% less.
- you serve LLMs: memory bandwidth per dollar is better ($0.201 per TB/s-hour against $0.385).
Questions about RTX 5090 vs RTX 3090 Ti
Which is cheaper to rent, the RTX 5090 or the RTX 3090 Ti?
Today the cheapest current on-demand RTX 5090 is $0.24 per GPU-hour and the cheapest RTX 3090 Ti is $0.14; medians are $0.69 and $0.20. Cheapest excludes offers marked unavailable and counts one floor per marketplace.
How much memory do the RTX 5090 and RTX 3090 Ti have?
32 GB of GDDR7 on the RTX 5090, 24 GB of GDDR6X on the RTX 3090 Ti, at 1.79 and 1.01 TB/s.
Where do these numbers come from?
From 64 current offers read on the providers' own pages and APIs over the last 45 days (reference 21:35 UTC), or in our October 2026 market study for the few providers our collector does not read. Specifications come from manufacturer datasheets. Every price on the GPU pages links to its receipt and shows its read date.