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Can MacBook Neo A18 Pro 8GB run Qwen3-14B?

Apple · 8 GB LPDDR5X · 60 GB/s bandwidth · Alibaba · 14.8B · model ctx up to 128K

❌ No — Qwen3-14B Q4 needs 9.91 GB, card only has 8 GB
VRAM: 9.91 GB needed of 8 GB
Speed: ~2.2 tok/s (estimated)
FF · No FitComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
METAL
Your GPU won't fit Qwen3-14B, but runs these similar models: Qwen2.5-7B-Instruct, gemma-4-E2B-itor☁️ Rent on RunPod from ~$0.50/hr
Estimates from memory-bandwidth formula; rows marked "measured" override. Methodology.

Fit & speed by quant and context

QuantContextVRAM neededFits?tok/s (decode)
Q44K9.91 GBNo2.5 ± est.
Q48K default10.54 GBNo2.2 ± est.
Q432K14.29 GBNo1.2 ± est.
FP164K31.23 GBNo
FP168K default31.85 GBNo
FP1632K35.6 GBNo

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
Q48.29 GB1.25 GB0.5 GB10.54 GB8 GB
FP1629.6 GB1.25 GB0.5 GB31.85 GB8 GB

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