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Can a M3 Max (40c GPU) 48GB run Qwen 2.5 7B?

Yes. Qwen 2.5 7B fits in fast memory on M3 Max (40c GPU) 48GB at Q8_0 (9.1 GB needed, 36.0 GB usable), about 40 tok/s (estimate).

Hardware: M3 Max (40c GPU) 48GB · Model: Qwen 2.5 7B

M3 Max (40c GPU) 48GB has 48 GB of unified memory and 400 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 36.0 GB. Qwen 2.5 7B (7.62B, Alibaba) at Q8_0 is a 8.1 GB download and needs 9.1 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size8.1 GB
Memory needed9.1 GB
Usable fast memory36.0 GB
Fitfits in fast memory
Estimated speed~40 tok/s (estimate)
Commandollama run qwen2.5:7b-instruct-q8_0
Open M3 Max (40c GPU) 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