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Can a M3 Max (40c GPU) 48GB run d3 2B (vLLM Semantic Router, decision)?

Yes. d3 2B (vLLM Semantic Router, decision) fits in fast memory on M3 Max (40c GPU) 48GB at Q8_0 (4.3 GB needed, 36.0 GB usable), about 100 tok/s (estimate).

Hardware: M3 Max (40c GPU) 48GB · Model: d3 2B (vLLM Semantic Router, decision)

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. d3 2B (vLLM Semantic Router, decision) (2B, vLLM Semantic Router) at Q8_0 is a 3.2 GB download and needs 4.3 GB with headroom for about 8k tokens.

Best quantQ8_0
Download size3.2 GB
Memory needed4.3 GB
Usable fast memory36.0 GB
Fitfits in fast memory
Estimated speed~100 tok/s (estimate)
Commandollama run d3:2b-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