Can Granite 4.2 30B run on iPhone 16 Pro Max?
NO — Won't fit
Formula estimate
What this means
None of the versions we checked fit safely on this phone. The checked version needs about 21.3 GB, while we estimate that the model can use about 5.2 GB.
Try a smaller model, or use this model on a device with more memory.
This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.
−16.1GB short
memory that doesn't exist here
21.3GB
needed at Q4_K_M
Q4_K_M
quant checked
needs 21.3 GBusable 5.2 GB · short 16.1 GB
Apple A18 Pro8 GB RAMMetal
Three ways forward
1
Try a smaller quant
No quant of Granite 4.2 30B fits this phone — even the smallest is too big. Options 2 and 3 are your real choices.
3
Run it in the cloud
The full Granite 4.2 30B, no download, at data-center speed — pay per token.
provider recommendations coming later
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 | llama.cpp + app overhead | 0.6 |
| Total needed | at Q4_K_M, 4K context | 21.3 |
| Working budget | 8 GB RAM − iOS reserve (jetsam limit) | 5.2 |
| Headroom | memory shortfall | −16.1 |
Pick your quant
| Quant | Download | Verdict | Speed |
|---|---|---|---|
| Q2_K | 10.9 GB | ✕ Won't fit | won't fit |
| Q3_K_M | 14.1 GB | ✕ Won't fit | won't fit |
| Q4_0 | 16.6 GB | ✕ Won't fit | won't fit |
| Q4_K_S | 16.7 GB | ✕ Won't fit | won't fit |
| Q4_K_M | 17.7 GB | ✕ Won't fit | won't fit |
| Q5_K_M | 20.8 GB | ✕ Won't fit | won't fit |
| Q6_K | 24 GB | ✕ Won't fit | won't fit |
| Q8_0 | 31.1 GB | ✕ Won't fit | won't fit |
Related checks
More on iPhone 16 Pro Max
Granite 4.2 30B on other phones