
QwQ 32B Preview on Apple M4 Ultra (192GB)
Yes — M4 Ultra (192GB) handles QwQ 32B Preview well at Q8_0 — 21 tok/s. Solid daily-driver performance on 192 GB VRAM.
Model Size
32.5B
Device VRAM
192 GB
Bandwidth
819 GB/s
Quantization
Q8_0
Performance by Quantization
OwnRig currently has one published compatibility entry for QwQ 32B Preview on Apple M4 Ultra (192GB) at Q8_0. This is the best supported pairing we can stand behind today.
| Quantization | Speed | TTFT | Fits in VRAM | Rating | Confidence |
|---|---|---|---|---|---|
| Q8_0 | 21 tok/s | 467ms | ✓ Yes | Good | estimated |
Notes
Q8_0
M4 Ultra: ~1.5x M4 Max performance due to higher memory bandwidth and GPU cores.
About QwQ 32B Preview
QwQ 32B Preview (32.5B) is a reasoning, coding, ai coding, ai building model. Reasoning-focused model that uses chain-of-thought natively. Builders pair this with a coding model for complex architecture decisions. Approaches o1-mini on reasoning benchmarks. Same size as Qwen 2.5 Coder 32B, so they compete for VRAM; run one at a time, not concurrently.
View all QwQ 32B Preview hardware options →About Apple M4 Ultra (192GB)
Apple M4 Ultra (192GB) has 192 GB at 819 GB/s. Available in Mac Studio, Mac Pro.
See all models Apple M4 Ultra (192GB) can run →Estimate method: Estimated from M4 Max benchmarks scaled by memory bandwidth ratio (819/546 GB/s). Reference hardware source: github.com (2026-03-14)
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.