Qwen3.8 27B at Q4_K_M needs about 18.2 GB, more than the 16 GB of the RTX 5060 Ti 16 GB: part of the model runs from system RAM, which slows generation. At Q3_K_M it fits entirely.
Q4_K_M · 8K context
The model needs about 18.2 GB but only 15.5 GB of VRAM is usable: 2.6 GB must be loaded into system RAM. It runs, 85% on the GPU, but more slowly.
~18.2 GB (17.4 GB–18.9 GB) needed · estimate
2.6 GB must be offloaded to system RAM
EstimateData updated 40 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card
What makes this estimate less reliable
| Qwen3.8 27B Q8_08K~30.1 GB · 1.3–2.5 tok/s estimate | Possible but slow |
|---|---|
| Qwen3.8 27B Q6_K8K~23.7 GB · 2–4 tok/s estimate | Possible but slow |
| Qwen3.8 27B Q5_K_M8K~21.1 GB · 3–6 tok/s estimate | CPU/GPU offload |
| Qwen3.8 27B Q4_K_M8K~18.2 GB · 5.5–10 tok/s estimate | CPU/GPU offload |
| Qwen3.8 27B IQ4_XS8K~16.9 GB · 8–15 tok/s estimate | CPU/GPU offload |
| Qwen3.8 27B Q3_K_M8K~15.3 GB · 22–30 tok/s estimate | Compatible with limits |
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AMD
CompatibleRuns Qwen3.8 27B Q4_K_M entirely in memory
Unified memory PC
CompatibleRuns Qwen3.8 27B Q4_K_M entirely in memory
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