RTX 3090 vs RTX 4090: Cloud Pricing & Availability (2026)
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 refresh daily, availability hourly.
Right now: the RTX 3090 is the cheaper rental — from $0.08/hr on demand, about 49% below the RTX 4090 ($0.16/hr).
| Metric | RTX 3090 | RTX 4090 |
|---|---|---|
| Cheapest on-demand (per GPU-hour) | $0.08/hron-demand | $0.16/hron-demand |
| Cheapest spot / interruptible (per GPU-hour) | $0.08/hrspot / interruptible | $0.16/hrspot / interruptible |
| GPU memory | 24 GB | 24 GB |
| Cloud providers | 7 | 11 |
| Configs tracked | 80 | 136 |
| 30-day reliability | 1/7 held ≥80% | 2/11 held ≥80% |
When to pick which
- Pick the RTX 3090 to minimise hourly cost — its on-demand floor ($0.08/hr) is the lower of the two right now.
- The RTX 4090 is listed by more providers (11), so it's usually easier to find in stock.
- Over the last 30 days the RTX 4090 held ≥80% availability at a larger share of providers — the steadier pick if you need capacity on demand.
FAQ
- Is the RTX 3090 or RTX 4090 cheaper to rent in the cloud?
- Across the providers GPU Finder tracks, the RTX 3090 starts at $0.08/hr and the RTX 4090 at $0.16/hr on demand. The RTX 3090 is currently cheaper, with an on-demand floor of $0.08/hr — about 49% below the RTX 4090. Prices refresh daily and availability hourly, so check the live tables before you commit.
- Which has more cloud providers, the RTX 3090 or RTX 4090?
- The RTX 3090 is offered by 7 providers and the RTX 4090 by 11 providers in our catalog. More providers usually means more regions and an easier time finding capacity in stock.
- How much GPU memory do the RTX 3090 and RTX 4090 have?
- The RTX 3090 carries 24 GB of VRAM and the RTX 4090 24 GB. VRAM is the main constraint on the model size and batch size you can run on a single GPU.
- Which is more reliably available, the RTX 3090 or RTX 4090?
- Over the last 30 days, 1/7 held ≥80% of scored providers kept the RTX 3090 in stock, versus 2/11 held ≥80% for the RTX 4090. GPU Finder polls provider stock hourly and scores reliability from that history.