Nvidia RTX 5080 vs Nvidia RTX 5090

Both cards cost about the same per TFLOP of FP16, so pick on memory and availability, not price.

Prices and stock checked 2 hours ago

Datasheet, side by side

Memory per GPU2.0x on the Nvidia RTX 5090
Memory bandwidth1.9x on the Nvidia RTX 5090
FP16 / BF16 dense1.9x on the Nvidia RTX 5090
FP8 dense1.9x on the Nvidia RTX 5090
Board power1.6x on the Nvidia RTX 5080

Figures are the vendors' own published numbers, dense rates without sparsity. A bar is drawn only where both cards publish the same figure.

Price, side by side

Metric Nvidia RTX 5080 Nvidia RTX 5090
Cheapest listed $0.15 $0.28
Median across providers $0.16 $0.65
Most expensive listed $0.39 $0.70
Providers 3 5
Reporting stock 2 4
One month, 730 hours $110 $206

Frequently asked questions

Is the Nvidia RTX 5080 or the Nvidia RTX 5090 cheaper to rent?

The Nvidia RTX 5080 starts at $0.15 per GPU hour and the Nvidia RTX 5090 at $0.28. Both cards cost about the same per TFLOP of FP16, so pick on memory and availability, not price.

Which one can I actually get right now?

Nvidia RTX 5080: 2 of 3 providers report stock, cheapest in stock $0.16 at Vast.ai. Nvidia RTX 5090: 4 of 5 providers report stock, cheapest in stock $0.28 at Vast.ai.

What does a month on each card cost?

Nvidia RTX 5080: $110 for 730 hours at its cheapest listed rate. Nvidia RTX 5090: $206 for 730 hours at its cheapest listed rate.