Xeon
Past and current logos
Developer	Intel
Manufacturer	Intel
Type	Microprocessors
Introduction	June 29, 1998 (announced) 1998 (launch)
Production	1998
ISA	x86-64
µarch	P6, NetBurst, Core, Penryn, Nehalem, Westmere, Sandy Bridge, Ivy Bridge, Haswell, Broadwell, Skylake
Word size	32 bit 4 octets 8 nibbles , 64 bit 8 octets 16 nibbles
Process	350 nm 0.35 μm 3.5e-4 mm , 250 nm 0.25 μm 2.5e-4 mm , 180 nm 0.18 μm 1.8e-4 mm , 65 nm 0.065 μm 6.5e-5 mm , 45 nm 0.045 μm 4.5e-5 mm , 32 nm 0.032 μm 3.2e-5 mm , 22 nm 0.022 μm 2.2e-5 mm , 14 nm 0.014 μm 1.4e-5 mm
Technology	CMOS
Clock	400 MHz-4000 MHz
Succession
←
Pentium Pro

Xeon (pronounced "Zee-On") is an extended family of high-performance x86 microprocessors developed by Intel for server environments and non-consumer workstations. Over the years Xeon has grown to focus on high-bandwidth, large-memory, and highly concurrent workloads. Xeon processors typically incorporate a large number of cores, large cache, and support for large amount of memory. Xeon offers models for both uniprocessor or multiprocessors.

Xeon Timeline

Intro	Family	Process	µarch	Core Name	Core Count
1998	Pentium II Xeon	250 nm	P6	Drake	1
1999	Pentium III Xeon		P6	Tanner	1
		180 nm	P6	Cascades	1
2001	Xeon		NetBurst	Foster	1
2002		130 nm	NetBurst	Prestonia	1
2003			NetBurst	Gallatin	1
2004		90 nm	NetBurst	Nocona	1
2005			NetBurst	Irwindale	1
			NetBurst	Paxville	2
			NetBurst	Potomac	1
			NetBurst	Cranford	1
2006		65 nm	NetBurst	Dempsey	2
			NetBurst	Tulsa	2
			MPM	Sossaman	2
			Core	Woodcrest	2
			Core	Conroe	2
			Core	Clovertown	4
2007			Core	Allendale	2
			Core	Kentsfield	4
			Core	Tigerton	2
		45 nm	Penryn	Wolfdale	2
			Penryn	Harpertown	4
2008			Penryn	Yorkfield	4
			Penryn	Dunnington	4,6
2009			Nehalem	Lynnfield	4
			Nehalem	Bloomfield	2,4
			Nehalem	Gainestown	2,4
2010			Nehalem	Jasper Forest	1,2,4
			Nehalem	Beckton	4,6,8
		32 nm	Westmere	Clarkdale	2
			Westmere	Gulftown	6
			Westmere	Westmere EP	2,4,6
	Xeon E3 Xeon E5 Xeon E7		Westmere	Westmere EX	6,8,10
2011			Sandy Bridge	Sandy Bridge	2,4
2012			Sandy Bridge	Gladden	4
			Sandy Bridge	Sandy Bridge EN	4,6,8
			Sandy Bridge	Sandy Bridge EP	4,6,8
		22 nm	Ivy Bridge	Ivy Bridge	2,4
2013			Ivy Bridge	Gladden	4
			Ivy Bridge	Ivy Bridge EP	4,6,8,10,12
			Haswell	Haswell WS	2,4
2014			Ivy Bridge	Ivy Bridge EN	4,6,8,10
			Ivy Bridge	Ivy Bridge EX	12,15
			Haswell	Haswell EP	4,6,8,10,12,14
2015			Haswell	Haswell EN	4,6,8,10
			Haswell	Haswell EX	8,10,12,14,16,18
		14 nm	Broadwell	Broadwell DE	4,6,8,12,16
			Broadwell	Broadwell H	4
			Skylake	Skylake DT	4
2016			Broadwell	Broadwell EP	4,6,8,01,12,14,16,18,20,22
			Broadwell	Broadwell EX	8,10,14,16,20,22,24
			Skylake	Skylake H	4

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