Arc B570 10GB vs Titan X Pascal 12GB for Local LLMs
The Titan X Pascal 12GB has about 26% more memory bandwidth (480 vs 380 GB/s). Batch-1 decode tracks bandwidth closely, so a model that fits both cards should decode roughly 26% faster on the Titan X Pascal 12GB. The Titan X Pascal 12GB fits more of the catalog at Q4/8K — 18 vs 17 of 69 models (12 vs 10 GB VRAM). Largest model that fits the Titan X Pascal 12GB but not the Arc B570 10GB: OLMo-2-1124-13B-Instruct (13.7B). MSRP is $219 for the Arc B570 10GB vs $1,200 for the Titan X Pascal 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 (39 shared models), the Titan X Pascal 12GB posts the higher tok/s in 38 rows vs 1. Methodology.