Sand casting and die casting are the two most widely used casting processes. Comparing the two according to information such as material, casting complexity, performance requirements, order size, etc., and choosing the right process can efficiently complete the order and save more costs. This article will make a detailed comparison of the two, including the definition, history, molds used, castable materials, processes, costs, and the performance of the corresponding castings, whether heat treatment can be performed, and applications so that you can choose a more suitable process and find a supplier that suits you.