# Can I run Yi 1.5 34B on iPhone 15 Pro?

> **No, not enough memory.** Needs ~21.4 GB even at Q4_K_M, but only ~4.5 GB is usable.

Last validated: 2026-06-15.

## Memory math
- Yi 1.5 34B: 34B; Q4_K_M weighs 19.24 GB on disk.
- At Q4_K_M with a 4k context it needs ~21.4 GB (weights + KV cache + ~0.8 GB runtime overhead, ±15% with context length).
- iPhone 15 Pro: 8 GB unified, ~4.5 GB usable for model weights.
- Headroom: ~-16.9 GB.

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

## Run Yi 1.5 34B on other devices
- [Nvidia GeForce RTX 4090 (24GB)](https://localmodel.run/can-i-run/yi-1.5-34b/nvidia-rtx-4090-24gb)
- [Nvidia GeForce RTX 3090 (24GB)](https://localmodel.run/can-i-run/yi-1.5-34b/nvidia-rtx-3090-24gb)
- [AMD Radeon RX 7900 XTX (24GB)](https://localmodel.run/can-i-run/yi-1.5-34b/amd-rx-7900-xtx-24gb)
- [Nvidia GeForce RTX 5090 (32GB)](https://localmodel.run/can-i-run/yi-1.5-34b/nvidia-rtx-5090-32gb)
- [32GB RAM Laptop (CPU/iGPU only)](https://localmodel.run/can-i-run/yi-1.5-34b/laptop-32gb)
- [Apple M4 Pro (48GB)](https://localmodel.run/can-i-run/yi-1.5-34b/apple-m4-pro-48gb)

## Other models that run on iPhone 15 Pro
- [Gemma 3 4B (4B)](https://localmodel.run/can-i-run/gemma-3-4b/iphone-15-pro)
- [Qwen3 4B (4B)](https://localmodel.run/can-i-run/qwen3-4b/iphone-15-pro)
- [Phi-3.5-mini 3.8B (3.82B)](https://localmodel.run/can-i-run/phi-3.5-mini/iphone-15-pro)
- [Phi-4-mini 3.8B (3.8B)](https://localmodel.run/can-i-run/phi-4-mini-3.8b/iphone-15-pro)
- [Qwen2.5-VL 3B (3.75B)](https://localmodel.run/can-i-run/qwen2.5-vl-3b/iphone-15-pro)
- [Qwen2.5 3B (3.09B)](https://localmodel.run/can-i-run/qwen2.5-3b/iphone-15-pro)

Estimate, not a guarantee. Sources: https://huggingface.co/bartowski/Yi-1.5-34B-Chat-GGUF, https://huggingface.co/01-ai/Yi-1.5-34B-Chat.
More: https://localmodel.run/can-i-run/yi-1.5-34b/iphone-15-pro