Cost of living in Yekaterinburg (Russia) is 15% 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 335 prices entered by 29 different people.
For example, you would need at least 35,557₴ (руб 84,299) in Yekaterinburg to maintain the same standard of living that you can have with 31,000₴ in Zhytomyr.