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Can a Mac Studio M3 Ultra (80c GPU) 512GB run MiniCPM5 2B?

Yes. MiniCPM5 2B fits in fast memory on Mac Studio M3 Ultra (80c GPU) 512GB at F16 (5.8 GB needed, 384.0 GB usable), about 130 tok/s (estimate).

Hardware: Mac Studio M3 Ultra (80c GPU) 512GB · Model: MiniCPM5 2B

Mac Studio M3 Ultra (80c GPU) 512GB has 512 GB of unified memory and 819 GB/s of memory bandwidth. The checker leaves macOS a share of unified memory, so Ollama can use 384.0 GB. MiniCPM5 2B (2.52B, OpenBMB) at F16 is a 5.04 GB download and needs 5.8 GB with headroom for about 8k tokens.

Best quantF16
Download size5.04 GB
Memory needed5.8 GB
Usable fast memory384.0 GB
Fitfits in fast memory
Estimated speed~130 tok/s (estimate)
Commandollama run hf.co/openbmb/MiniCPM5-2B-GGUF:F16
Open Mac Studio M3 Ultra (80c GPU) 512GB 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.

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