作者： Jakub Rusinowski · 最后更新： 2026年8月15日
Not at Q4_K_M — that needs 18.7 GB and the Apple M1 has 16 GB. Drop to Q2_K and it fits in 12.8 GB, with up to 16K of context.
| Model | Gemma 4 31B |
| Parameters | 31B |
| Quantization | Q4_K_M |
| VRAM needed | 18.7 GB |
| Apple M1 VRAM | 16 GB |
| Verdict | Runs at a lower quant |
| Fits at | Q2_K (12.8 GB) |
| Max context | 16K |
Quantize to Q2_K. That is the cheapest fix — it costs some quality but no money.
Running Gemma 4 31B on this card:
Gemma 4 31B needs ~19 GB but this GPU has 16 GB. Rent a RTX 4090 (24 GB)-class GPU by the hour instead of buying one:
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All Gemma 4 sizes on the Apple M1 | VRAM calculator for Gemma 4 31B | Apple M1 GPU page | Check your hardware