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Can MacBook Neo A18 Pro 8GB run gemma-4-12b-it?

Apple · 8 GB LPDDR5X · 60 GB/s bandwidth · Google · 11.95B · model ctx up to 256K

❌ No — gemma-4-12b-it Q4 needs 7.94 GB, card only has 8 GB
VRAM: 7.94 GB needed of 8 GB
Speed: ~4.7 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 gemma-4-12b-it, 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)
Q44K7.94 GBNo5.0 ± est.
Q48K default8.19 GBNo4.7 ± est.
Q432K9.69 GBNo3.3 ± est.
FP164K25.15 GBNo
FP168K default25.4 GBNo
FP1632K26.9 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
Q46.69 GB0.5 GB0.5 GB8.19 GB8 GB
FP1623.9 GB0.5 GB0.5 GB25.4 GB8 GB

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