Gemma 3 27B IT at Q4_K_M needs about 18.4 GB, more than the 16 GB of the RX 9070: 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 18.4 GB but only 15.5 GB of VRAM is usable: 2.9 GB must be loaded into system RAM. It runs, 84% on the GPU, but more slowly.
~18.4 GB (17.6 GB–19.2 GB) needed · estimate
2.9 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
| Gemma 3 27B IT Q8_08K~30.3 GB · 1.3–2.5 tok/s estimate | Possible but slow |
|---|---|
| Gemma 3 27B IT Q6_K8K~23.9 GB · 2–4.5 tok/s estimate | Possible but slow |
| Gemma 3 27B IT Q5_K_M8K~21.1 GB · 3–6 tok/s estimate | CPU/GPU offload |
| Gemma 3 27B IT Q4_K_M8K~18.4 GB · 5.5–11 tok/s estimate | CPU/GPU offload |
| Gemma 3 27B IT IQ4_XS8K~16.7 GB · 10–19 tok/s estimate | CPU/GPU offload |
| Gemma 3 27B IT Q3_K_M8K~15.4 GB · 27–39 tok/s estimate | Compatible with limits |
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AMD
CompatibleRuns Gemma 3 27B IT Q4_K_M entirely in memory
Unified memory PC
CompatibleRuns Gemma 3 27B IT Q4_K_M entirely in memory
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