Old Persian's good technician-boosted moves: swift, bite, feint attack, fake out, feint (if doubles), hidden power, aerial ace
Alolan Persian's good technician-boosted moves: snarl, hidden power
Conclusion: The old Persian is much better at abusing technician. However, the fact that they learn very different status moves makes them hard to compare. In particular, Alolan Persian's parting shot makes it much more popular than the old Persian. Besides, why are you using Persian with technician and not fur coat?