In terms of practicality, voltage cooker is better. Electric pressure cooker in addition to steaming rice and porridge, but also can be stewed meat, stewed vegetables, cooking soup, some models also have waterless cooking, hot rice and other practical functions. Rice cooker has fewer functions, rice cooker can also be stewed, but it takes a long time, some ingredients are not easy to stew, rice cooker has the advantage of steaming rice, if the taste of rice is very high, it is recommended to buy a rice cooker.
The answer applies to most rice cookers such as Datsun GDCF-40X62CB.