One noticeable difference between black and pinto beans is their color. Black beans, as its name suggests, are black in color while pinto beans are brown with flecks of white. When cooked, pinto beans turn pink and black beans maintain its black color.
Black beans have fewer carbohydrates and fat content than pinto beans. Yet, they almost have the same amount of fiber and protein per cup. Pinto beans are slightly larger than black beans. They are also has a soft texture that is great for mashing while black beans have a firm texture. Pinto beans are usually used in burritos while black beans are often used in rice and beans and fejioda.