Not the same. Potatoes are potatoes and sweet potatoes are cold potatoes.
Potato, whose tubers are edible, is the fourth most important food crop in the world, after wheat, rice and corn. Potatoes are also known as yam eggs, potato, Yangshan yam, potato head, fragrant yam, potato, mountain yam, sun yam, ground egg, potato, etc.
Sweet potato is also called sweet potato, sweet potato, cold potato, cold potato and sweet potato. It is cultivated in central and southwestern my country, Fujian, Taiwan and other places.
Extended information
Potato tuber shape: The fruit is stem-shaped, oblate or 15 to 80 cm high, spherical, hairless or sparsely pubescent. The stem is divided into two parts: aboveground stem and underground stem. Oblong, about 3 ~ 10 cm in diameter, with white, light red or purple skin. The colors of potato skin are white, yellow, pink, red, purple and black, and the colors of potato flesh are white, light yellow, yellow, black, cyan, purple and dark purple.
Sweet potato morphological characteristics: Sweet potatoes have a spindle-shaped appearance, an obvious petal-like structure, and the skin is light yellow to white. When you peel off the yellowish skin on the outside, the meat inside is very white, and the texture of the meat looks like A bit like a sweet potato, when it's at its peak of ripeness, it makes a cracking sound when peeled.
Baidu Encyclopedia-Potato
Baidu Encyclopedia-Sweet Potato