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Can a M4 Pro 48GB run Qwen3.5 0.8B?

Yes. Qwen3.5 0.8B fits in fast memory on M4 Pro 48GB at Q8_0 (2 GB needed, 36.0 GB usable), about 218 tok/s (estimate).

Hardware: M4 Pro 48GB · Model: Qwen3.5 0.8B

M4 Pro 48GB has 48 GB of unified memory and 273 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 36.0 GB. Qwen3.5 0.8B (0.87B, Alibaba) at Q8_0 is a 1 GB download and needs 2 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size1 GB
Memory needed2 GB
Usable fast memory36.0 GB
Fitfits in fast memory
Estimated speed~218 tok/s (estimate)
Commandollama run qwen3.5:0.8b-q8_0
Open M4 Pro 48GB in the checker

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