There are lots of types of rice white wine, consisting of sake, which is a Japanese rice wine. Though both sake and rice white wine are made from rice, the methods of production are quite different. Sake is made by fermenting the rice, while rice red wine is made by steeping the rice in water.
Sake is a brewed alcohol, and rice red wine is a distilled one. This distinction in production outcomes in different alcohol levels in the end product. Sake typically has about 15-16% alcohol, while rice wine can have anywhere from 20-60% alcohol.
The tastes of sake and rice wine also differ. Sake is typically referred to as smooth, while rice red wine can be very sweet. Sake is normally served chilled or at room temperature, while rice white wine is normally served warm.
https://livethisbook.com/?p=1656 In summary, sake is a Japanese rice wine made by fermenting the rice, while rice white wine is made by soaking the rice in water. Sake has a lower alcohol material than rice wine, and a smooth taste. Rice red wine is usually served warm, and can be really sweet.