Mac mini M4 Pro 64GB vs Titan Xp 12GB for Local LLMs
The Titan Xp 12GB has about 101% more memory bandwidth (548 vs 273 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 101% faster on the Titan Xp 12GB. The Mac mini M4 Pro 64GB fits more of the catalog at Q4/8K — 44 vs 18 of 69 models (64 vs 12 GB VRAM). Largest model that fits the Mac mini M4 Pro 64GB but not the Titan Xp 12GB: Qwen3-Next-80B-A3B-Instruct (81.3B). MSRP is $2,199 for the Mac mini M4 Pro 64GB vs $1,200 for the Titan Xp 12GB. 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 (41 shared models), the Titan Xp 12GB posts the higher tok/s in 39 rows vs 2. Methodology.