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Can I run Xing4.0-29B-A4B-FP8 on a Mac with 64 GB?

Yes

Its published weights (33.2 GB) fit in the 48.0 GB a Mac with 64 GB can use, with room for ≈ 256K tokens of context.

Full analysis of Xing4.0-29B-A4B-FP8 Everything that runs on Mac with 64 GB Get the weights on Hugging Face
hf download XingChen-AGI/Xing4.0-29B-A4B-FP8

Files and context on Mac with 64 GB

Each file of Xing4.0-29B-A4B-FP8 (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

FileSizeOn Mac with 64 GB Context (16-bit)Context (8-bit)
As published33.2 GBFits256K256K
4-bit (estimate)17.6 GBFits256K256K

Xing4.0-29B-A4B-FP8 on other hardware

Popular models that run on Mac with 64 GB

Assumes 75% of the Mac's memory is usable (macOS's default limit for the GPU; it can be raised) and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.