Nvidia A100 vs Nvidia RTX 4090

Nvidia RTX 4090 wins twice: it rents for 2.4x less per hour and still buys 1.3x more FP16 compute per dollar.

Prices and stock checked 2 hours ago

Datasheet, side by side

Memory per GPU3.3x on the Nvidia A100
Memory bandwidth1.9x on the Nvidia A100
FP16 / BF16 dense1.9x on the Nvidia A100
Board power1.5x on the Nvidia A100

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 A100 Nvidia RTX 4090
Cheapest listed $0.27 $0.11
Median across providers $1.38 $0.37
Most expensive listed $3.11 $0.49
Providers 12 6
Reporting stock 9 4
One month, 730 hours $195 $80

Frequently asked questions

Is the Nvidia A100 or the Nvidia RTX 4090 cheaper to rent?

The Nvidia A100 starts at $0.27 per GPU hour and the Nvidia RTX 4090 at $0.11. Nvidia RTX 4090 wins twice: it rents for 2.4x less per hour and still buys 1.3x more FP16 compute per dollar.

Which one can I actually get right now?

Nvidia A100: 9 of 12 providers report stock, cheapest in stock $0.27 at Vast.ai. 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 A100: $195 for 730 hours at its cheapest listed rate. Nvidia RTX 4090: $80 for 730 hours at its cheapest listed rate.