Editing List of Intel processors (section)

====[[Pentium 4]]====
* 0.18&nbsp;μm process technology (1.40 and 1.50&nbsp;GHz)
** Introduced November 20, 2000
** L2&nbsp;cache was 256&nbsp;KB Advanced Transfer cache (integrated)
** Processor package Style was PGA423, PGA478
** System bus clock rate 400&nbsp;MHz
** [[SSE2]] [[SIMD]] Extensions
** 42 million transistors
** Used in desktops and entry-level workstations
* 0.18&nbsp;μm process technology (1.7&nbsp;GHz)
** Introduced April 23, 2001
** See the 1.4 and 1.5 chips for details
* 0.18&nbsp;μm process technology (1.6 and 1.8&nbsp;GHz)
** Introduced July 2, 2001
** See 1.4 and 1.5 chips for details
** Core voltage is 1.15 volts in Maximum Performance Mode; 1.05 volts in battery optimized mode
** Power <1&nbsp;watt in battery optimized mode
** Used in full-size and then light mobile PCs
* 0.18&nbsp;μm process technology '''Willamette''' (1.9 and 2.0&nbsp;GHz)
** Introduced August 27, 2001
** See 1.4 and 1.5 chips for details
* Family 15 model 1
* Pentium 4 (2&nbsp;GHz, 2.20&nbsp;GHz)
** Introduced January 7, 2002
* Pentium 4 (2.4&nbsp;GHz)
** Introduced April 2, 2002
* 0.13&nbsp;μm process technology '''Northwood A''' (1.7, 1.8, 1.9, 2, 2.2, 2.4, 2.5, 2.6, 2.8 (OEM), 3.0 (OEM) GHz)
** Improved branch prediction and other microcodes tweaks
** 512&nbsp;KB integrated L2&nbsp;cache
** 55 million transistors
** 400&nbsp;MHz system bus
* Family 15 model 2
* 0.13&nbsp;μm process technology '''Northwood B''' (2.26, 2.4, 2.53, 2.66, 2.8, 3.06&nbsp;GHz)
** 533&nbsp;MHz system bus. (3.06 includes Intel's [[Hyper-Threading]] technology)
* 0.13&nbsp;μm process technology '''Northwood C''' (2.4, 2.6, 2.8, 3.0, 3.2, 3.4&nbsp;GHz)
** 800&nbsp;MHz system bus (all versions include Hyper-Threading)
** 6500 to 10,000&nbsp;MIPS

'''Itanium''' ''(chronological entry – new non-x86 architecture)''
{{see also|#Itanium}}
* Introduced 2001