RTX 4090 vs RTX 5090: Cloud Pricing & Availability (2026)
Live, side-by-side comparison of the RTX 4090 and RTX 5090 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 4090 is the cheaper rental — from $0.16/hr on demand, about 61% below the RTX 5090 ($0.41/hr).
| Metric | RTX 4090 | RTX 5090 |
|---|---|---|
| Cheapest on-demand (per GPU-hour) | $0.16/hron-demand | $0.41/hron-demand |
| Cheapest spot / interruptible (per GPU-hour) | $0.16/hrspot / interruptible | $0.20/hrspot / interruptible |
| GPU memory | 24 GB | 32 GB |
| Cloud providers | 11 | 10 |
| Configs tracked | 136 | 136 |
| 30-day reliability | 2/11 held ≥80% | 2/9 held ≥80% |
When to pick which
- Pick the RTX 4090 to minimise hourly cost — its on-demand floor ($0.16/hr) is the lower of the two right now.
- Pick the RTX 5090 for larger models or bigger batch sizes — its 32 GB of VRAM fits more without sharding across GPUs.
- 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 5090 held ≥80% availability at a larger share of providers — the steadier pick if you need capacity on demand.
FAQ
- Is the RTX 4090 or RTX 5090 cheaper to rent in the cloud?
- Across the providers GPU Finder tracks, the RTX 4090 starts at $0.16/hr and the RTX 5090 at $0.41/hr on demand. The RTX 4090 is currently cheaper, with an on-demand floor of $0.16/hr — about 61% below the RTX 5090. Prices refresh daily and availability hourly, so check the live tables before you commit.
- Which has more cloud providers, the RTX 4090 or RTX 5090?
- The RTX 4090 is offered by 11 providers and the RTX 5090 by 10 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 4090 and RTX 5090 have?
- The RTX 4090 carries 24 GB of VRAM and the RTX 5090 32 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 4090 or RTX 5090?
- Over the last 30 days, 2/11 held ≥80% of scored providers kept the RTX 4090 in stock, versus 2/9 held ≥80% for the RTX 5090. GPU Finder polls provider stock hourly and scores reliability from that history.