Can Granite 4.2 30B run on MacBook Neo A18 Pro 8GB?
NO — Won’t fit
Q4_K_M · 4K context · formula estimate
What this means
The checked Q4_K_M build needs about 21.5GB, above this Mac's conservative 5GB working budget.
−16.5GB short
above the working budget
21.5GB
needed at Q4_K_M
Q4_K_M
quant selected
0GB
working headroom
needs 21.5 GBworking budget 5 GB · short 16.5 GB
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q4_K_M GGUF (17.7 GB) + mmap overhead | 18.6 |
| KV cache | 4K context window | 2.1 |
| Runtime | macOS inference app + compute buffers | 0.8 |
| Total needed | at Q4_K_M, 4K context | 21.5 |
| Working budget | 8 GB unified memory − conservative macOS reserve | 5 |
| Headroom | memory shortfall | −16.5 |
Pick your quant
| Quant | Download | Memory | Estimated speed | Verdict |
|---|---|---|---|---|
| Q2_K | 10.9 GB | 14.3 GB | — | ✕ Won't fit |
| Q3_K_M | 14.1 GB | 17.7 GB | — | ✕ Won't fit |
| Q4_0 | 16.6 GB | 20.3 GB | — | ✕ Won't fit |
| Q4_K_S | 16.7 GB | 20.4 GB | — | ✕ Won't fit |
| Q4_K_M ★ | 17.7 GB | 21.5 GB | — | ✕ Won't fit |
| Q5_K_M | 20.8 GB | 24.7 GB | — | ✕ Won't fit |
| Q6_K | 24 GB | 28.1 GB | — | ✕ Won't fit |
| Q8_0 | 31.1 GB | 35.6 GB | — | ✕ Won't fit |
Other models on this Mac
FAQ
Can the MacBook Neo A18 Pro · 8GB run Granite 4.2 30B?
Not with the quants currently tracked. The selected Q4_K_M build needs about 21.5GB, above the 5GB working budget.
Which Granite 4.2 30B quant should I use on this Mac?
None of the tracked quants fit this configuration safely. Choose a smaller model or a Mac with more unified memory.
Which app should I use for Granite 4.2 30B on this Mac?
Start with LM Studio. This page gives the complete point-and-click walkthrough.
Are these speeds measured on a MacBook Neo A18 Pro?
No. The range is a formula estimate based on memory bandwidth, model size, active parameters, cooling, and a 4K context. The app, backend, thermals, and prompt can change real performance.