Arc B570 10GB vs MacBook Pro M1 Max 64GB for Local LLMs
The MacBook Pro M1 Max 64GB has about 5% more memory bandwidth (400 vs 380 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 5% faster on the MacBook Pro M1 Max 64GB. The MacBook Pro M1 Max 64GB fits more of the catalog at Q4/8K — 44 vs 17 of 69 models (64 vs 10 GB VRAM). Largest model that fits the MacBook Pro M1 Max 64GB but not the Arc B570 10GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $219 for the Arc B570 10GB vs $3,899 for the MacBook Pro M1 Max 64GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. In the Q4/8K head-to-head below (39 shared models), the MacBook Pro M1 Max 64GB posts the higher tok/s in 32 rows vs 7. Methodology.