Live, side-by-side comparison of the RTX 3090 and RTX 4090 across the cloud providers GPU Finder tracks — on-demand and spot price floors, how many providers carry each, and 30-day availability reliability. Prices update hourly.
Right now: the RTX 3090 is the cheaper rental — from $0.10/hr on demand, about 12% below the RTX 4090 ($0.11/hr).
| Metric | RTX 3090 | RTX 4090 |
|---|---|---|
| Cheapest on-demand | $0.10/hron-demand | $0.11/hron-demand |
| Cheapest spot / interruptible | $0.05/hrspot / interruptible | $0.08/hrspot / interruptible |
| GPU memory | 24 GB | 24 GB |
| Cloud providers | 3 | 5 |
| Configs tracked | 173 | 215 |
| 30-day reliability | 1/3 held ≥80% | 1/5 held ≥80% |