Nvidia L40S vs Nvidia RTX 3090

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 L40S
Memory bandwidth1.1x on the Nvidia RTX 3090
FP16 / BF16 dense5.1x on the Nvidia L40S
Board poweridentical

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 L40S Nvidia RTX 3090
Cheapest listed $0.35 $0.07
Median across providers $0.83 $0.16
Most expensive listed $1.70 $0.22
Providers 10 3
Reporting stock 6 3
One month, 730 hours $255 $49

Frequently asked questions

Is the Nvidia L40S or the Nvidia RTX 3090 cheaper to rent?

The Nvidia L40S starts at $0.35 per GPU hour and the Nvidia RTX 3090 at $0.07. 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 L40S: 6 of 10 providers report stock, cheapest in stock $0.35 at Lium. Nvidia RTX 3090: 3 of 3 providers report stock, cheapest in stock $0.07 at Vast.ai.

What does a month on each card cost?

Nvidia L40S: $255 for 730 hours at its cheapest listed rate. Nvidia RTX 3090: $49 for 730 hours at its cheapest listed rate.