IBM introduced dual core Power 4 CPUs in ... A year later, Intel added dual cores to its Itanium line. In the late 2000s, CPUs with two or more cores gained momentum not only in servers, but ...

See Core M. The original microarchitecture of the Core i series was code-named Nehalem. Subsequent microarchitectures were Sandy Bridge, Ivy Bridge, Haswell, etc. (see Intel microarchitectures).