Qwen3 14B at Q4_K_M needs about 11 GB, more than the 11 GB of the RTX 2080 Ti: 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 11 GB but only 10.7 GB of VRAM is usable: 0.3 GB must be loaded into system RAM. It runs, 97% on the GPU, but more slowly.
~11 GB (10.5 GB–11.5 GB) needed · estimate
0.3 GB must be offloaded to system RAM
EstimateData updated 24 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card
What makes this estimate less reliable
| Qwen3 14B Q8_08K~17.5 GB · 3–5.5 tok/s estimate | CPU/GPU offload |
|---|---|
| Qwen3 14B Q6_K8K~14 GB · 5.5–11 tok/s estimate | CPU/GPU offload |
| Qwen3 14B Q5_K_M8K~12.5 GB · 9–17 tok/s estimate | CPU/GPU offload |
| Qwen3 14B Q4_K_M8K~11 GB · 24–42 tok/s estimate | CPU/GPU offload |
| Qwen3 14B IQ4_XS8K~10.1 GB · 48–66 tok/s estimate | Compatible |
| Qwen3 14B Q3_K_M8K~9.3 GB · 52–72 tok/s estimate | Compatible |
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NVIDIA
CompatibleRuns Qwen3 14B Q4_K_M entirely in memory
AMD
ExcellentRuns Qwen3 14B Q4_K_M entirely in memory
Apple Silicon
CompatibleRuns Qwen3 14B Q4_K_M entirely in memory
Unified memory PC
ExcellentRuns Qwen3 14B Q4_K_M entirely in memory
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