RTX 4090 vs RTX 5090: Cloud Pricing & Availability (2026)

When to pick which

• Pick the RTX 5090 to minimise hourly cost — its on-demand floor ($0.06/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 (5), 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 $0.11/hr and the RTX 5090 at $0.06/hr on demand. The RTX 5090 is currently cheaper, with an on-demand floor of $0.06/hr — about 47% below the RTX 4090. Prices update 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 5 providers and the RTX 5090 by 4 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, 1/5 held ≥80% of scored providers kept the RTX 4090 in stock, versus 1/3 held ≥80% for the RTX 5090. GPU Finder polls provider stock hourly and scores reliability from that history.