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Yes. Qwen3 0.6B fits in fast memory on M2 Ultra 192GB at Q8_0 (1.5 GB needed, 144.0 GB usable), about 771 tok/s (estimate).
Hardware: M2 Ultra 192GB · Model: Qwen3 0.6B
M2 Ultra 192GB has 192 GB of unified memory and 800 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 144.0 GB. Qwen3 0.6B (0.75B, Alibaba) at Q8_0 is a 0.83 GB download and needs 1.5 GB with headroom for about 8k tokens.
| Best quant | Q8_0 |
|---|---|
| Download size | 0.83 GB |
| Memory needed | 1.5 GB |
| Usable fast memory | 144.0 GB |
| Fit | fits in fast memory |
| Estimated speed | ~771 tok/s (estimate) |
| Command | ollama run qwen3:0.6b-q8_0 |
Estimates, not benchmarks. Model sizes are ollama.com download sizes; memory needed adds headroom for ~8k tokens of context; speeds are rough figures from memory bandwidth. Data updated 2026-10-23.
A project by OnDevice Labs · llms.txt