Can 4x Apple M5 Ultra run Qwen3.8 27B?
Yes. Measured 50.89 tok/s generation (MLX, 4-node tensor parallel, BF16, 8,192-token context; source).
Every measured result for Qwen3.8 27B on 4x Apple M5 Ultra
| Build | Quant / setup | Engine | tok/s | |
|---|---|---|---|---|
| 4x Mac Studio M5 Ultra cluster (Thunderbolt 5 RDMA): Muse Spark Open at 36.7 tok/s | BF16, 8,192-token context | MLX, 4-node tensor parallel | 50.89 | source |
Speeds are decode (generation) tokens/sec as reported by each source; quant, engine and context differ, so small gaps are noise.
All measured speeds for Qwen3.8 27B: best home rig for Qwen3.8 27B.
Qwen3.8 27B on other hardware: 2x Apple M5 Ultra · 2x Intel Arc Pro B70 · 2x RTX 5070 Ti · 2x Tesla V100 32GB · Apple M3 Ultra · Apple M5 Ultra · DGX Spark (GB10) · Intel Arc Pro B70 · RTX 3060 12GB · RTX 3090 · RTX 4060 Ti 16GB · RTX 5070 Ti · RTX 5090 · RTX Pro 6000 Max-Q (Blackwell, 96 GB, 300 W) · RTX Spark N1X · Radeon AI Pro R9700 · Strix Halo (Radeon 8060S)
Other models measured on 4x Apple M5 Ultra: Mistral Medium 3.5 128B · Muse Spark Open 816B-A42B
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