# Can I run Yi 1.5 34B on Apple M5 (32GB)?

> **No, not enough memory.** Needs ~21.4 GB even at Q4_K_M, but only ~21 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).
- Apple M5 (32GB): 32 GB unified, ~21 GB usable for model weights.
- Headroom: ~-0.4 GB.

## How to run
Recommended quant: n/a. Best tool on macOS: LM Studio.

## 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 Apple M5 (32GB)
- [Qwen2.5 Coder 32B (32B)](https://localmodel.run/can-i-run/qwen2.5-coder-32b/apple-m5-32gb)
- [Granite 4.0 H Small (32B)](https://localmodel.run/can-i-run/granite-4.0-h-small/apple-m5-32gb)
- [Qwen3 30B-A3B (30.5B)](https://localmodel.run/can-i-run/qwen3-30b-a3b/apple-m5-32gb)
- [Gemma 2 27B (27B)](https://localmodel.run/can-i-run/gemma-2-27b/apple-m5-32gb)
- [Gemma 3 27B (27B)](https://localmodel.run/can-i-run/gemma-3-27b/apple-m5-32gb)
- [Mistral Small 3 24B (24B)](https://localmodel.run/can-i-run/mistral-small-3-24b/apple-m5-32gb)

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/apple-m5-32gb