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Can MacBook Neo A18 Pro 8GB run Qwen3-4B-Instruct-2507?

Apple · 8 GB LPDDR5X · 60 GB/s bandwidth · Alibaba · 4.0B · model ctx up to 256K

✅ Yes — MacBook Neo A18 Pro 8GB (8 GB) can run Qwen3-4B-Instruct-2507 at Q4 (8K)
VRAM: 4.37 GB needed of 8 GB
Speed: ~18.9 tok/s (estimated)
BB · GoodComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
METAL
Good for 💬 chatWorkable for ⌨️ codingGood for 📋 general
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K3.8 GBYes18.9 ± est.
Q48K default4.37 GBYes18.9 ± est.
Q432K7.74 GBNo15.9 ± est.
FP164K9.56 GBNo2.8 ± est.
FP168K default10.12 GBNo2.5 ± est.
FP1632K13.5 GBNo1.4 ± est.

Fits = weights + KV(ctx) + 0.5 GB overhead ≤ 95% of VRAM. Measured anchors are context-agnostic; the fit verdict is recomputed per context. A missing tok/s means the model is far beyond this card (offload-only territory).

VRAM breakdown at 8K context

QuantWeightsKV cacheOverheadTotal neededMacBook Neo A18 Pro 8GB VRAM
Q42.24 GB1.12 GB0.5 GB4.37 GB8 GB
FP168.0 GB1.12 GB0.5 GB10.12 GB8 GB

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