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Can a M1 Max (24c GPU) 32GB run Qwen3.8 27B?

Yes. Qwen3.8 27B fits in fast memory on M1 Max (24c GPU) 32GB at Default (20.3 GB needed, 24.0 GB usable), about 18 tok/s (estimate).

Hardware: M1 Max (24c GPU) 32GB · Model: Qwen3.8 27B

M1 Max (24c GPU) 32GB has 32 GB of unified memory and 400 GB/s of memory bandwidth. M1 Max (32c GPU) 32GB and M2 Max (30c GPU) 32GB and M2 Max (38c GPU) 32GB have the same memory and bandwidth, so the fit numbers match; this page is M1 Max (24c GPU) 32GB. The checker leaves macOS a share of unified memory, so Ollama can use 24.0 GB. Qwen3.8 27B (27B, Alibaba) at Default is a 18 GB download and needs 20.3 GB with headroom for about 8k tokens.

Best quantDefault
Download size18 GB
Memory needed20.3 GB
Usable fast memory24.0 GB
Fitfits in fast memory
Estimated speed~18 tok/s (estimate)
Commandollama run qwen3.8:27b
Open M1 Max (24c GPU) 32GB 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