What can MacBook Pro 16" M4 Max run for long context?
Build: MacBook Pro 16" M4 Max + — + 128 GB RAM (macos)
Runs comfortably230 models
Ranked by fit for long context use case + predicted speed. Click a row for VRAM breakdown.
Quant: Q4_K_MContext: 8,192VRAM: 4.0 GBHeadroom: 116.0 GB166tok/sEstimated
Quant: Q8_0Context: 8,192VRAM: 6.7 GBHeadroom: 113.3 GBollama run phi3.5:3.8b74tok/sEstimated
ollama run phi3.5:3.8bQuant: Q4_K_MContext: 8,192VRAM: 8.4 GBHeadroom: 111.6 GB71tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 8.4 GBHeadroom: 111.6 GB71tok/sEstimated
Quant: Q8_0Context: 8,192VRAM: 7.1 GBHeadroom: 112.9 GBollama run gemma4:e4b71tok/sEstimated
ollama run gemma4:e4bQuant: Q4_K_MContext: 8,192VRAM: 9.1 GBHeadroom: 110.9 GB62tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 9.8 GBHeadroom: 110.2 GB62tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 58.0 GBHeadroom: 62.0 GB41tok/sEstimated
Quant: Q4_K_MContext: 8,192VRAM: 17.4 GBHeadroom: 102.6 GB207tok/sEstimated
Quant: Q8_0Context: 8,192VRAM: 9.5 GBHeadroom: 110.5 GBollama run qwen2.5:7b40tok/sEstimated
ollama run qwen2.5:7bQuant: Q8_0Context: 8,192VRAM: 13.1 GBHeadroom: 106.9 GBollama run qwen3:8b35tok/sEstimated
ollama run qwen3:8bQuant: Q4_K_MContext: 8,192VRAM: 8.6 GBHeadroom: 111.4 GB71tok/sEstimated
What if you upgraded?
Hypothetical scenarios. We re-ran the compatibility engine for each.
Move up an Apple memory tier
~$200–400 over base
On Apple Silicon, more unified memory is the only path forward — VRAM and system RAM are the same pool.
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Won't runtop 5 popular models
Need more memory than you have. Shown for orientation.
Needs ~1024 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
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Needs ~1024 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
Needs ~256 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
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Needs ~256 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
Needs ~160 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
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Needs ~160 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
Needs ~420 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
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Needs ~420 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
Needs ~192 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
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Needs ~192 GB unified memory minimum at smallest quant; you have 120 GB available after OS overhead.
How to read these numbers
Want a specific benchmark we don't have? Email Contact support and we'll prioritize it.