How often does Yandex check links?

Question

Search Engine Optimization

Quite a lot of 404 "came out" on the site, which Google complained to me about. I made a redirect, Google accepted everything and we are friends with him.
But Yandex announced that it had found a couple of thousand more links. I think that the Yandex robot works much slower than Google, and the question is, how often does the robot bypass the site and can I ask it to do this so as not to add the same URLs to the redirect empty? Or does the Yandex robot see everything better than Google and do I really have so many 404s?