Compare the largest cities of the Golden Horde and the cities of [Russian cities, as implied by the context]. What distinguishes them?

Explanation:

This question requires external knowledge about the cities of the Golden Horde and Russian cities. To answer it, one would need to research prominent cities of the Golden Horde (e.g., Sarai) and major Russian cities of that era and compare their characteristics, such as size, population, economic activities, architectural styles, and political importance.