NVIDIA L40S vs NVIDIA GeForce RTX 4090

A side-by-side comparison of specs, capabilities, and use cases.

By Fredoline Eruo·Last updated Jun 12, 2026·NVIDIA L40S·NVIDIA GeForce RTX 4090
SpecNVIDIA L40SNVIDIA GeForce RTX 4090
VRAM48 GB24 GB
Vendornvidianvidia
Tierworkstationenthusiast
Power draw350 W450 W
Released20232022
Street price$1899
CUDAYesYes
ROCmNoNo
Metal / MLXNoNo

Frequently asked

Which is better, NVIDIA L40S or NVIDIA GeForce RTX 4090?

Neither is universally better — pick based on your specific need. NVIDIA L40S suits some workloads, NVIDIA GeForce RTX 4090 suits others. The spec table above shows where each wins.

Reviewed by RunLocalAI Editorial. See our editorial policy.