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.

Families

Pentium II Xeon

Pentium III Xeon

Xeon

Xeon E3 Xeon E5 Xeon E7

Xeon Bronze Xeon Silver Xeon Gold Xeon Platinum

Xeon Timeline

Intro	Family	Process	µarch	Core Name	Core Count
1998	Pentium II Xeon	250 nm	P6	Drake	1
1999	Pentium III Xeon			Tanner	1
		180 nm		Cascades	1
2001	Xeon		NetBurst	Foster	1
2002		130 nm		Prestonia	1
2003				Gallatin	1
2004		90 nm		Nocona	1
2005				Irwindale	1
				Paxville	2
				Potomac	1
				Cranford	1
2006		65 nm		Dempsey	2
				Tulsa	2
			MPM	Sossaman	2
			Core	Woodcrest	2
				Conroe	2
				Clovertown	4
2007				Allendale	2
				Kentsfield	4
				Tigerton	2
		45 nm	Penryn	Wolfdale	2
				Harpertown	4
2008				Yorkfield	4
				Dunnington	4,6
2009			Nehalem	Lynnfield	4
				Bloomfield	2,4
				Gainestown	2,4
2010				Jasper Forest	1,2,4
				Beckton	4,6,8
		32 nm	Westmere	Clarkdale	2
				Gulftown	6
				Westmere EP	2,4,6
	Xeon E3 Xeon E5 Xeon E7			Westmere EX	6,8,10
2011			Sandy Bridge	Sandy Bridge	2,4
2012				Gladden	4
				Sandy Bridge EN	4,6,8
				Sandy Bridge EP	4,6,8
		22 nm	Ivy Bridge	Ivy Bridge	2,4
2013				Gladden	4
				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 EX	12,15
			Haswell	Haswell EP	4,6,8,10,12,14
2015				Haswell EN	4,6,8,10
				Haswell EX	8,10,12,14,16,18
		14 nm	Broadwell	Broadwell DE	4,6,8,12,16
				Broadwell H	4
			Skylake	Skylake DT	4
2016			Broadwell	Broadwell EP	4,6,8,10,12,14,16,18,20,22
				Broadwell EX	8,10,14,16,20,22,24
			Skylake	Skylake H	4
2017	Xeon Bronze Xeon Silver Xeon Gold Xeon Platinum		Skylake (Server)	Skylake SP	4,6,8,10,12,14,16,18,20,22,24,26,28
2018			Cascade Lake	Cascade Lake SP	4,6,8,10,12,14,16,18,20,22,24,26,28

See also

• Opteron
• EPYC

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