1 12kpa pressure cooker is better. 1 12kpa The pressure in the pressure cooker is high, and the temperature in the cooker is higher, which can make the food cooked faster and save the cooking time. The pressure of 70kpa pressure cooker is less than 1 12kpa pressure cooker, the temperature in the cooker is low, and the cooking time is long. 1 12kpa pressure cooker can be used to cook various ingredients, including beans, meat and vegetables. The 70kpa pressure cooker is suitable for cooking some foods with low pressure requirements, such as vegetables and fish.