QwenQwen3.5-27B on Apple M3 Pro (18GB Unified)
M3 Pro (18GB Unified) runs Qwen3.5-27B at Q4_K_M — 16 tok/s. Usable on 18 GB VRAM — see full quantization options below.
Model Size
27B
Device VRAM
18 GB
Bandwidth
150 GB/s
Quantization
Q4_K_M
Performance by Quantization
OwnRig currently has one published compatibility entry for Qwen3.5-27B on Apple M3 Pro (18GB Unified) at Q4_K_M. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q4_K_M | 16 tok/s | 625ms | ✓ Yes | Acceptable | estimated |
Notes
Q4_K_M
Efficient Q4_K_M (16GB, 2GB headroom).
About Qwen3.5-27B
Qwen3.5-27B (27B) is a chat, coding, ai coding, reasoning, multi-purpose model. Dense 27B from the Qwen 3.5 family. Native multimodal (text, image, video). 256K context window. Competitive with Gemma 3 27B and Qwen 3 32B at lower VRAM. Apache 2.0.
View all Qwen3.5-27B hardware options →About Apple M3 Pro (18GB Unified)
Apple M3 Pro (18GB Unified) has 18 GB at 150 GB/s. Available in MacBook Pro 14", MacBook Pro 16".
See all models Apple M3 Pro (18GB Unified) can run →Estimate method: Estimated from Qwen 3 32B and MoE benchmarks with size/architecture scaling. Reference hardware source: github.com (2026-03-24)
Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.