1. Different places of origin: the black phoenix chicken originated in Taihe County, Jiangxi Province, China, while the five black chickens originated in Yichun City, Jiangxi Province, China.

2. Different appearance: the black phoenix chicken has a smaller body size and black feathers, while the five black chicken has a larger body size and black feathers, and has the characteristics of "five blacks", i.e., black hair, black skin, black meat, black bones and black internal organs.

3. Meat quality is different: the meat of the black chicken is tender and flavorful, while the meat of the five black chickens is more compact and has a slightly different taste.

4. Nutritional value is different: the nutritional composition of black phoenix chicken and five black chicken is different, but both are rich in protein, vitamins and minerals and other nutrients.