Qwen Qwen3 5 397B A17b speed on NVIDIA L40 and quantization-level VRAM fit.
NVIDIA L40 does not meet the minimum VRAM requirement for Q4 inference of Qwen Qwen3 5 397B A17b. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA L40 lacks sufficient VRAM for comfortable Qwen Qwen3 5 397B A17b operation with Q4 quantization.
Your 48GB GPU is 151GB short of the 199GB minimum.
Options: (1) Try Q2 or Q3 quantization for lower VRAM requirements, (2) Consider cloud GPU rental, (3) Upgrade to a GPU with at least 16GB VRAM.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 199GB | 48GB | 19.88 tok/s | ❌ Not recommended |
| Q8 | 397GB | 48GB | 13.91 tok/s | ❌ Not recommended |
| FP16 | 794GB | 48GB | 7.55 tok/s | ❌ Not recommended |
No alternative GPUs with verified compatibility yet. Expand the compatibility import to surface more cards.
Check current pricing links for NVIDIA L40 and similar cards.
Open NVIDIA L40 buy links →Use workload-focused recommendations before committing to a purchase.
Browse best GPU guides →Compare complete systems if you want ready-to-run hardware.
Compare prebuilt systems →Your GPU doesn't meet the VRAM requirements. Run Qwen Qwen3 5 397B A17b on cloud GPU instantly.
NVIDIA L40 is not a comfortable Q4 fit for Qwen Qwen3 5 397B A17b (about 199GB needed).
Q4 inference is estimated to need about 199GB VRAM on this page, while NVIDIA L40 has 48GB available.
Try lower-bit quantization, choose a smaller model, or move to a higher-VRAM GPU from the alternatives list.