Intel's top Pentium chip, introduced in late ... while dual-core Pentium models such as Pentium D and Pentium Processor Extreme Editions omit the "4" designation. See Pentium.
Intel's first dual core 64-bit (Intel 64 ... See dual core. See also Pentium 4 Processor Extreme Edition. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.
The first CPU to reach a clock speed of 4 GHz was the Pentium 4 570 released in November 2004 as part of Intel's NetBurst microarchitecture, but this milestone wasn't achieved out of the box.
The most recent Atom used in laptops is from 2016 and it was hardly fast back then. Up until recently, there were separate brands for Celeron and Pentium processors. Intel has now bundled both of them ...