They are similar in few aspects, but some of them are that they are impossible to create. What may start as any of those two would soon change, utopias would become worse because of interpersonal conflict and dystopias would face rebellion. They both also have the concept of mutual equality and equity which often brings more harm than good, due to the same reasons previously mentioned, personal benefit and lack of will for equality. In dystopias, it is usually the ruling minority that causes harm and is therefore not equal with its citizens.
