there were separate brands for Celeron and Pentium processors. Intel has now bundled both of them up into a brand called Intel Processor followed by a model name that often starts with N. In any case, ...

dual and quad core models. See Core 2. In early 2006, and based on the existing Pentium M (mobile) architecture, the dual core, 32-bit Core Duo was the first chip introduced with the Core brand.