In Zwingli's theory, church and state are one under the sovereign government of God, from his point of view, as the government was ordained by God Christians are obliged to obey, regardless of whether the government is good or bad because of both came from God.
On the other hand, Calvin appreciated the advantages of democracy, he suggested separating the state among different institutions in a system of checks and balances in order to reduce the misuse of political power.
