Bottom line: the Titan V is indeed a mining powerhouse, but the prohibitive price does not scale well with the price/perfomance factor.
https://www.notebookcheck.net/Nvidia-Titan-V-cryptomining-performance-does-not-disappoint-but-price-perfomance-factor-is-way-off.271008.0.html
Impressive hashrate. But as always ridiculous pricing.
Best buy for mama's boy. Better stick to x4 vega's.