can-i-run-this-llm

Can I run this LLM?

Can a NVIDIA RTX 4090 (24GB) run Qwen3.5 4B?

Qwen · Apache 2.0 · estimated for a 24.0 GB machine at 4K context.

Yes — it runs great.

Best fit: Qwen3.5 4B at FP16 · 8.4 GB · 68–102 tok/s on a NVIDIA RTX 4090 (24GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M2.3 GB153–230 tok/sRuns great
Q4_K_M2.7 GB140–210 tok/sRuns great
Q5_K_M3.1 GB130–196 tok/sRuns great
Q6_K3.5 GB122–183 tok/sRuns great
Q8_04.5 GB106–158 tok/sRuns great
FP168.4 GB68–102 tok/sRuns great

Ran Qwen3.5 4B on a NVIDIA RTX 4090 (24GB)? Add your real numbers →