Purple potatoes and sweet potatoes differ in more than just color. Purple potatoes are dense and rich in antioxidants like anthocyanins, while sweet potatoes are naturally sweet and packed with vitamin A. Their textures also vary—purple potatoes stay firm after cooking, whereas sweet potatoes become soft and creamy. This makes purple potatoes better for savory meals and sweet potatoes ideal for baking, mashing, or desserts. Learn how their nutrition, taste, and cooking uses compare so you can choose the right option for every dish.