Difference between Caldecott and Newbery Awards

Caldecott and Newbery Awards are both high prestige honors for different types of books that are given by the Association for Library Service for Children, which is a division of the American Library Association. Both must be written by citizens or residents of the US, must be original work, and must take into account children’s tastes and preferences. Caldecott Award winning books, is named after Randoloph Caldecott and is awarded each year to the "artist of the most distinguished American picture book for children published in English in the United States during the preceding year. Typically for a book to be considered a Caldecott Medal or Honor book focuses on books for younger children, such as picture books.
The Newbery Medal, which is named after English bookseller, John Newbery. The Newbery Award is given each year to the most distinguished contribution to American literature for children published in English in the United States during the preceding year. The Newbery Award is the award for books geared toward pre-teens.
One award is not better than the other because they were created for different types of children's books. Caldecott Award books are typically picture books that are focused toward young children and Newbery Award books are geared toward pre-teens and are usually chapter novels.