# Can I run Granite 4.0 H Small on iPhone Air?

> **No, not enough memory.** Needs ~20.4 GB even at Q4_K_M, but only ~8 GB is usable.

Last validated: 2026-06-15.

## Memory math
- Granite 4.0 H Small: 32B (MoE, 9B active); Q4_K_M weighs 18.23 GB on disk.
- At Q4_K_M with a 4k context it needs ~20.4 GB (weights + KV cache + ~0.8 GB runtime overhead, ±15% with context length).
- iPhone Air: 12 GB unified, ~8 GB usable for model weights.
- Headroom: ~-12.4 GB.

## How to run
Recommended quant: n/a. Best tool on iOS: Apple Foundation Models.

## Run Granite 4.0 H Small on other devices
- [Nvidia GeForce RTX 4090 (24GB)](https://localmodel.run/can-i-run/granite-4.0-h-small/nvidia-rtx-4090-24gb)
- [Nvidia GeForce RTX 3090 (24GB)](https://localmodel.run/can-i-run/granite-4.0-h-small/nvidia-rtx-3090-24gb)
- [AMD Radeon RX 7900 XTX (24GB)](https://localmodel.run/can-i-run/granite-4.0-h-small/amd-rx-7900-xtx-24gb)
- [Nvidia GeForce RTX 5090 (32GB)](https://localmodel.run/can-i-run/granite-4.0-h-small/nvidia-rtx-5090-32gb)
- [32GB RAM Laptop (CPU/iGPU only)](https://localmodel.run/can-i-run/granite-4.0-h-small/laptop-32gb)
- [Apple M5 (32GB)](https://localmodel.run/can-i-run/granite-4.0-h-small/apple-m5-32gb)

## Other models that run on iPhone Air
- [Falcon3 10B (10B)](https://localmodel.run/can-i-run/falcon3-10b/iphone-air)
- [Gemma 2 9B (9B)](https://localmodel.run/can-i-run/gemma-2-9b/iphone-air)
- [GLM-4 9B (9B)](https://localmodel.run/can-i-run/glm-4-9b/iphone-air)
- [Qwen2.5-VL 7B (8.29B)](https://localmodel.run/can-i-run/qwen2.5-vl-7b/iphone-air)
- [Llama 3.1 8B (8B)](https://localmodel.run/can-i-run/llama-3.1-8b/iphone-air)
- [Qwen3 8B (8B)](https://localmodel.run/can-i-run/qwen3-8b/iphone-air)

Estimate, not a guarantee. Sources: https://ollama.com/library/granite4, https://ollama.com/library/granite4/tags, https://huggingface.co/unsloth/granite-4.0-h-small-GGUF, https://huggingface.co/ibm-granite/granite-4.0-h-small.
More: https://localmodel.run/can-i-run/granite-4.0-h-small/iphone-air