B200 192GB SXM vs MacBook Pro M3 Max 128GB for Local LLMs
The B200 192GB SXM has about 1900% more memory bandwidth (8,000 vs 400 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 1900% faster on the B200 192GB SXM. The B200 192GB SXM fits more of the catalog at Q4/8K — 50 vs 47 of 61 models (192 vs 128 GB VRAM). Largest model that fits the B200 192GB SXM but not the MacBook Pro M3 Max 128GB: Qwen3-235B-A22B (235.1B). MSRP is $40,000 for the B200 192GB SXM vs $4,199 for the MacBook Pro M3 Max 128GB. MSRP is a launch list price, not live retail — Amazon prices move; click through for the current price. Not retail-shoppable: B200 192GB SXM (datacenter-class; cloud rental is the realistic way to use it). In the Q4/8K head-to-head below (59 shared models), the B200 192GB SXM posts the higher tok/s in 59 rows vs 0. Methodology.