i386 - 32-bit Intel/AMD-compatible
x86_64 - 64-bit Intel/AMD-compatible
They These architectures are instrumental in its the design and development or of any fedora release. During the development of a fedora release if any of the primary architecture builds fail, the packages cannot be moved onto the repositoriesreleased. Fedora package maintainers are required to make sure that their package builds properly for this architecture.
