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	250 nm	P6	Tanner	1
1999	Pentium III Xeon	180 nm	P6	Cascades	1
2001	Xeon	180 nm	NetBurst	Foster	1
2002	Xeon	130 nm	NetBurst	Prestonia	1
2003	Xeon	130 nm	NetBurst	Gallatin	1
2004	Xeon	90 nm	NetBurst	Nocona	1
2005	Xeon	90 nm	NetBurst	Irwindale	1
2005	Xeon	90 nm	NetBurst	Paxville	2
2005	Xeon	90 nm	NetBurst	Potomac	1
2005	Xeon	90 nm	NetBurst	Cranford	1
2006	Xeon	65 nm	NetBurst	Dempsey	2
2006	Xeon	65 nm	NetBurst	Tulsa	2
2006	Xeon	65 nm	MPM	Sossaman	2
2006	Xeon	65 nm	Core	Woodcrest	2
2006	Xeon	65 nm	Core	Conroe	2
2006	Xeon	65 nm	Core	Clovertown	4
2007	Xeon	65 nm	Core	Allendale	2
2007	Xeon	65 nm	Core	Kentsfield	4
2007	Xeon	65 nm	Core	Tigerton	2
2007	Xeon	45 nm	Penryn	Wolfdale	2
2007	Xeon	45 nm	Penryn	Harpertown	4
2008	Xeon	45 nm	Penryn	Yorkfield	4
2008	Xeon	45 nm	Penryn	Dunnington	4,6
2009	Xeon	45 nm	Nehalem	Lynnfield	4
2009	Xeon	45 nm	Nehalem	Bloomfield	2,4
2009	Xeon	45 nm	Nehalem	Gainestown	2,4
2010	Xeon	45 nm	Nehalem	Jasper Forest	1,2,4
2010	Xeon	45 nm	Nehalem	Beckton	4,6,8
2010	Xeon	32 nm	Westmere	Clarkdale	2
2010	Xeon	32 nm	Westmere	Gulftown	6
2010	Xeon	32 nm	Westmere	Westmere EP	2,4,6
2010	Xeon	32 nm	Westmere	Westmere EX	6,8,10

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