Nvidia RTX 3080 Ti vs Nvidia RTX 4090

Nvidia RTX 3080 Ti rents for 1.1x less per hour, but Nvidia RTX 4090 buys 2.2x more FP16 compute per dollar — the cheaper card is the dearer one per unit of work.

Prices and stock checked 2 hours ago

Datasheet, side by side

Memory per GPU2.0x on the Nvidia RTX 4090
Memory bandwidth1.1x on the Nvidia RTX 4090
FP16 / BF16 dense2.4x on the Nvidia RTX 4090
Board power1.3x on the Nvidia RTX 3080 Ti

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 3080 Ti Nvidia RTX 4090
Cheapest listed $0.10 $0.11
Median across providers $0.14 $0.37
Most expensive listed $0.18 $0.49
Providers 2 6
Reporting stock 1 4
One month, 730 hours $73 $80

Frequently asked questions

Is the Nvidia RTX 3080 Ti or the Nvidia RTX 4090 cheaper to rent?

The Nvidia RTX 3080 Ti starts at $0.10 per GPU hour and the Nvidia RTX 4090 at $0.11. Nvidia RTX 3080 Ti rents for 1.1x less per hour, but Nvidia RTX 4090 buys 2.2x more FP16 compute per dollar — the cheaper card is the dearer one per unit of work.

Which one can I actually get right now?

Nvidia RTX 3080 Ti: 1 of 2 providers report stock, cheapest in stock $0.18 at Runpod. Nvidia RTX 4090: 4 of 6 providers report stock, cheapest in stock $0.11 at Lium.

What does a month on each card cost?

Nvidia RTX 3080 Ti: $73 for 730 hours at its cheapest listed rate. Nvidia RTX 4090: $80 for 730 hours at its cheapest listed rate.