MacBook Pro M1 Max 32GB vs MI300X 192GB for Local LLMs
The MI300X 192GB has about 1225% more memory bandwidth (5,300 vs 400 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 1225% faster on the MI300X 192GB. The MI300X 192GB fits more of the catalog at Q4/8K — 57 vs 39 of 69 models (192 vs 32 GB VRAM). Largest model that fits the MI300X 192GB but not the MacBook Pro M1 Max 32GB: MiMo-V2.5 (310.0B). MSRP is $3,299 for the MacBook Pro M1 Max 32GB vs $15,000 for the MI300X 192GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: MI300X 192GB (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (53 shared models), the MI300X 192GB posts the higher tok/s in 53 rows vs 0. Methodology.