Mac Studio (M5 Max 40-core GPU, 128 GB) — Local LLM Performance

Mac Studio (M5 Max 40-core GPU, 128 GB) is a Desktop running macOS, with 128 GB unified memory.

Specifications

Memory for models	128 GB unified
Memory bandwidth	614 GB/s
Memory upgradeable	No — soldered, decided at purchase
Chip	Apple M5 Max
Architecture	ARM, 3nm TSMC
Form factor	Desktop
Operating system	macOS
Released	2026
Llama 3.1 8B Q4_K_M	34–71 tok/s

Worth knowing before you buy

• Memory is soldered; the configuration chosen at purchase is permanent.

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