What are the different treatments for urban workers and non-urban workers (that is, rural residents) when purchasing social security?

Hello, when urban workers and non-urban workers participate in social security in the unit, because the payment base is the same, similarly, when employees retire, as long as they have reached the payment period, they will enjoy the same social security benefits when they retire. However, to say the difference, the biggest difference is that rural hukou workers can participate in social security without paying unemployment insurance premiums, while urban workers need to pay!