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Can MacBook Neo A18 Pro 8GB run Llama-3.3-70B-Instruct?

Apple · 8 GB LPDDR5X · 60 GB/s bandwidth · Meta · 70.6B · model ctx up to 128K

❌ No — Llama-3.3-70B-Instruct Q4 needs 47.54 GB, card only has 8 GB
VRAM: 47.54 GB needed of 8 GB
FF · No FitComposite score: VRAM headroom × 0.5 + tok/s speed × 0.5. Q4 @ 8K context.
METAL
Your GPU won't fit Llama-3.3-70B-Instruct, 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)
Q44K47.54 GBNo
Q48K default54.54 GBNo
Q432K96.54 GBNo
FP164K149.2 GBNo
FP168K default156.2 GBNo
FP1632K198.2 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
Q439.54 GB14.0 GB0.5 GB54.54 GB8 GB
FP16141.2 GB14.0 GB0.5 GB156.2 GB8 GB

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