Cost of living in Perm (Russia) is 19% more expensive than in Zhytomyr (Ukraine)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 182 prices entered by 15 different people.
For example, you would need at least 35,797₴ (руб 85,799) in Perm to maintain the same standard of living that you can have with 30,000₴ in Zhytomyr.