Convert x to amf

What is the difference between .x and .amf?

Description: X is a DirectX Model image file used by DirectX technology which is for 3D graphics rendering in games. The file format specifies 3D object structures for meshes, textures, animations, and objects.; Additive Manufacturing file format (AMF) defines open standards for objects description in order to be utilized by additive manufacturing processes such as 3D Printing. CAD programs use the AMF file format by making use of the information such as geometry, color and material of the objects. AMF is different than STL format as the lateral does not support color, materials, lattices, and constellations.