Do you need a point-by-point comparison? Putin fits every definition of a fascist dictator. Just Wikipedia:
Fascist movements shared certain common features, including the veneration of the state, a devotion to a strong leader, and an emphasis on ultranationalism and militarism. Fascism views political violence, war, and imperialism as a means to achieve national rejuvenation[5][8][9][10] and asserts that stronger nations have the right to expand their territory by displacing weaker nations.[11]
Russia lost over 20 million people fighting Nazis.