Gemma 4 26B A4B IT at Q4_K_M needs about 18.1 GB, more than the 12 GB of the RTX 4070: 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 18.1 GB but only 11.6 GB of VRAM is usable: 6.4 GB must be loaded into system RAM. It runs, 64% on the GPU, but more slowly.
~18.1 GB (17.3 GB–18.8 GB) needed · estimate
6.4 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
| Gemma 4 26B A4B IT Q8_08K~27.7 GB · 7.5–15 tok/s estimate | Possible but slow |
|---|---|
| Gemma 4 26B A4B IT Q6_K8K~23.8 GB · 10–19 tok/s estimate | Possible but slow |
| Gemma 4 26B A4B IT Q5_K_M8K~20.3 GB · 13–26 tok/s estimate | CPU/GPU offload |
| Gemma 4 26B A4B IT Q4_K_M8K~18.1 GB · 17–33 tok/s estimate | CPU/GPU offload |
| Gemma 4 26B A4B IT IQ4_XS8K~15.3 GB · 27–51 tok/s estimate | CPU/GPU offload |
| Gemma 4 26B A4B IT Q3_K_M8K~14.1 GB · 35–67 tok/s estimate | CPU/GPU offload |
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AMD
CompatibleRuns Gemma 4 26B A4B IT Q4_K_M entirely in memory
Unified memory PC
ExcellentRuns Gemma 4 26B A4B IT Q4_K_M entirely in memory
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