can-i-run-this-llm

Can I run this LLM?

Can a NVIDIA RTX 4090 (24GB) run Qwen3.8 27B?

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

Yes — it runs great.

Best fit: Qwen3.8 27B at Q4_K_M · 16.6 GB · 38–57 tok/s on a NVIDIA RTX 4090 (24GB).

Every quantization on this machine

QuantSizeSpeedFit
Q3_K_M11.8 GB50–75 tok/sRuns great
Q4_K_M16.6 GB38–57 tok/sRuns great
Q5_K_M19.5 GB33–49 tok/sTight / slow
Q6_K22.5 GB29–44 tok/sWon't fit
Q8_029.0 GB23–35 tok/sWon't fit
FP1654.6 GB13–19 tok/sWon't fit

Ran Qwen3.8 27B on a NVIDIA RTX 4090 (24GB)? Add your real numbers →