can-i-run-this-llm

Can I run this LLM?

Can a NVIDIA L40S (48GB) run Qwen3.5 4B?

Qwen · Apache 2.0 · estimated for a 48.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 60–89 tok/s on a NVIDIA L40S (48GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M2.3 GB140–210 tok/sRuns great
Q4_K_M2.7 GB127–191 tok/sRuns great
Q5_K_M3.1 GB118–177 tok/sRuns great
Q6_K3.5 GB110–165 tok/sRuns great
Q8_04.5 GB94–142 tok/sRuns great
FP168.4 GB60–89 tok/sRuns great

Ran Qwen3.5 4B on a NVIDIA L40S (48GB)? Add your real numbers →