2. Beibei pumpkin and chestnut pumpkin have some chestnut flavor, but there are still some subtle differences. Beibei pumpkin tastes similar to chestnut pumpkin, but chestnut pumpkin will have a stronger chestnut flavor. Beibei pumpkin not only has chestnut flavor, but also has some sweet potato flavor, which is more diversified.

3. Beibei pumpkin is a genetically modified pumpkin from Japan, while chestnut pumpkin is not a genetically modified food. Genetically, the two are different.