Qwen3 Coder 30B-A3B Instruct at Q4_K_M needs about 19.7 GB, more than the 12 GB of the RTX 3080 Ti: part of the model runs from system RAM, which slows generation. At Q3_K_M it does not fit in VRAM.
Q4_K_M · 8K context
The model needs about 19.7 GB but only 11.6 GB of VRAM is usable: 8.1 GB must be loaded into system RAM. It runs, 59% on the GPU, but more slowly.
~19.7 GB (19.1 GB–20.5 GB) needed · estimate
8.1 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 Coder 30B-A3B Instruct Q8_08K~33.4 GB · 7.5–15 tok/s estimate | Possible but slow |
|---|---|
| Qwen3 Coder 30B-A3B Instruct Q6_K8K~26.1 GB · 11–21 tok/s estimate | Possible but slow |
| Qwen3 Coder 30B-A3B Instruct Q5_K_M8K~22.8 GB · 13–26 tok/s estimate | CPU/GPU offload |
| Qwen3 Coder 30B-A3B Instruct Q4_K_M8K~19.7 GB · 17–34 tok/s estimate | CPU/GPU offload |
| Qwen3 Coder 30B-A3B Instruct IQ4_XS8K~17.6 GB · 22–44 tok/s estimate | CPU/GPU offload |
| Qwen3 Coder 30B-A3B Instruct Q3_K_M8K~16 GB · 28–56 tok/s estimate | CPU/GPU offload |
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AMD
CompatibleRuns Qwen3 Coder 30B-A3B Instruct Q4_K_M entirely in memory
Unified memory PC
ExcellentRuns Qwen3 Coder 30B-A3B Instruct Q4_K_M entirely in memory
Lowest memory tier
CompatibleRuns Qwen3 Coder 30B-A3B Instruct Q4_K_M entirely in memory
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