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Core µarch
General Info
Arch Type	CPU
Designer	Intel
Manufacturer	Intel
Introduction	April, 2006
Phase-out	May, 2009
Process	65 nm
Instructions
ISA	x86-64
Succession
Modified Pentium M Penryn

Core was the microarchitecture for Intel's 65 nm process for desktops and servers as a successor to NetBurst. Core was replaced by the Penryn microarchitecture in late 2008.

Architecture

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Key changes from NetBurst

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Overview

• When Core was introduced in 2006, Intel described it as a merger of both P6 and NetBurst.

When scrutinizing the details, it's fairly clear that little was actually borrowed from NetBurst.

In fact, it wasn't until Intel's entirely new microarchitecture Sandy Bridge that a true merger presented itself.

This section requires expansion; you can help adding the missing info.

Intel Core Lines

See also: Intel and intel/atom

Intel Core (+ Pentium 4) Roadmap

Fab process	Micro- architecture	Code names	Core Gen	Scalable (Xeon) Gen	Release date	Processors
						Mobile	Desktop	Enthusiast/ Workstation	1P/2P Server	4P/8P Server
180 nm	NetBurst	Willamette	—		2000-11	—	Willamette	—	Foster	Foster MP
130 nm 90 nm		Northwood Prescott			2002-01	Northwood Mobile	Northwood Prescott	Northwood-XE Prescott 2M-XE	Prestonia Gallatin	Gallatin
130 nm 90 nm 90 nm 65 nm	Pentium M . . Pentium D	Banias Dothan Smithfield Presler			2004-02	Banias Dothan	Smithfield Presler	Smithfield-XE Presler-XE	Nocona Irwindale Paxville	Potomac Cranford Paxville
65 nm	Modified Pentium M	Yonah Cedar Mill	1 (Yonah)	—	2006-01	Yonah	Cedar Mill	-	Dempsey Sossaman	Tulsa (Xeon)
	Intel Core	Merom	2		2006-07	Merom Merom-L	Conroe	Kentsfield	Woodcrest Clovertown	Tigerton
45 nm		Penryn			2007-11	Penryn	Wolfdale	Yorkfield	Harpertown	Dunnington
	Nehalem	Nehalem	1 (Core i)		2008-11	Clarksfield	Lynnfield	Bloomfield	Gainestown	Beckton
32 nm		Westmere			2010-01	Arrandale	Clarkdale	Gulftown	Westmere EP	Westmere EX
	Sandy Bridge	Sandy Bridge	2		2011-01	Sandy Bridge M	Sandy Bridge	Sandy Bridge E	Sandy Bridge EP	—
22 nm		Ivy Bridge	3		2012-04	Ivy Bridge M	Ivy Bridge	Ivy Bridge E	Ivy Bridge EP	Ivy Bridge EX
	Haswell	Haswell	4		2013-06	Haswell H Haswell MB Haswell ULP Haswell ULX	Haswell DT	Haswell E	Haswell EP	Haswell EX
		Devil's Canyon			2014-06	—	Haswell DT	—
14 nm	Broadwell	Broadwell	5		2014-09	Broadwell H Broadwell U Broadwell Y	Broadwell DT Broadwell DE	Broadwell E	Broadwell EP (Xeon E5 v4)	Broadwell EX (Xeon E7 v4)
	Skylake	Skylake	6	Xeon 1	2015-08	Skylake H Skylake U Skylake Y	Skylake DT Skylake S	Skylake W Skylake X	Skylake SP (formerly Skylake-EP/EX) (Xeon Gold, Platinum)
	Kaby Lake	Kaby Lake	7 / 8	—	2016-10	Kaby Lake G Kaby Lake H Kaby Lake U Kaby Lake Y	Kaby Lake S	Kaby Lake X	—
	Coffee Lake	Coffee Lake	8 / 9		2017-10	Coffee Lake B Coffee Lake H Coffee Lake U	Coffee Lake S	Coffee Lake W	Coffee Lake (Xeon E)	—
	Whiskey Lake	Whiskey Lake	8		2018-08	Whiskey Lake U	—		—
	Amber Lake	Amber Lake	8 / 10			Amber Lake Y
	Cascade Lake	Cascade Lake	—	Xeon 2	2019-04	—		Cascade Lake W Cascade Lake X	Cascade Lake AP Cascade Lake SP (Xeon)
	Comet Lake	Comet Lake	10	—	2019-09	Comet Lake H Comet Lake Y Comet Lake U	Comet Lake S	Comet Lake W	—
	Cooper Lake	Cooper Lake	—	Xeon 3	2020-06	—				Cooper Lake SP
	Rocket Lake	Cypress Cove	11	—	2021-03	—	Rocket Lake SP	Rocket Lake W	Rocket Lake (Xeon E)	—
10 nm	Cannon Lake	Palm Cove	8		2018-05	Cannon Lake U	—		—
	Ice Lake (client) (server)	Sunny Cove . . + 4x Tremont	10	Xeon 3	2019-09 (client) 2021-04 (server)	Ice Lake U Ice Lake Y	—	Ice Lake W	Ice Lake SP	—
	Lakefield (hybrid) (Foveros)		—	—	2020-06	Lakefield				—
	Tiger Lake	Willow Cove	11		2020-09	Tiger Lake-H Tiger Lake-H35 Tiger Lake-UP3 Tiger Lake-UP4				—
Intel 7 nm	Alder Lake (hybrid)	Golden Cove (P) Gracemont (E)	12		2021-11	Alder Lake-H Alder Lake-HX Alder Lake-U Alder Lake M	Alder Lake S	Alder Lake P	—
	Sapphire Rapids		—	Xeon 4	2023-01	—		Sapphire Rapids-WS	Sapphire Rapids-SP/HBM (Xeon Max)	Sapphire Rapids-SP
	Raptor Lake (hybrid)	Raptor Cove (P) Gracemont (E)	13 / 14 / Series 1 / 2	—	2022-10	Raptor Lake-HX Raptor Lake-PX Raptor Lake U	Raptor Lake S	Raptor Lake H Raptor Lake P	Raptor Lake (Xeon E)	—
	Emerald Rapids		—	Xeon 5	2023-12	—			Emerald Rapids-SP
Intel 4 nm	Meteor Lake (hybrid)	Redwood Cove (P) Crestmont (E)	Ultra Series 1	—	2023-12	Meteor Lake-H Meteor Lake-U	—		—
Intel 3 nm	Granite Rapids		—	Xeon 6	2024-09	—			Granite Rapids-AP Granite Rapids-SP	—
TSMC N3B	Lunar Lake (hybrid)	Lion Cove (P) Skymont (E)	Ultra 200V	—	2024-09	Lunar Lake-V	—		—
	Arrow Lake (hybrid)		Ultra Series 2		2024-10 (desktop) 2025-01 (mobile)	Arrow Lake-H Arrow Lake-HX Arrow Lake-U	Arrow Lake-S		—	—
Intel 18A	Panther Lake (hybrid)	Cougar Cove (P) Darkmont (E)	Ultra 300		2025	Panther Lake-H Panther Lake-HL Panther Lake-U Panther Lake-UL	?		—	—
	Diamond Rapids	Panther Cove X (Mountain Stream)	—	?	2025	—			—	—
TBA (TSMC 2 nm or Intel 18A)	Nova Lake (hybrid)	Coyote Cove		—	2026	—	TBA	TBA	—	—
	Razer Lake (hybrid)			—	2027	—	TBA	TBA	—	—

Die Shot

Dual-core Core

• Woodcrest
• 143 mm²
• 291,000,000 transistors
• 65 nm process
• 2 cores

Documents

• Intel® Processor Micro-architecture – Core®; Intel® Software College, 2006
• White Paper: Inside Intel® Core TM Microarchitecture, 2006
• Intel Multi-core Architecture and Implementations, March 7, 2006
• Intel® Core Microarchitecture, March 8, 2006
• Intel® Core Microarchitecture, IDF
• Core, Justin Rattner Senior Fellow, Chief Technology Officer, IDF

• Product Brief: Intel® Core 2 Duo Desktop Processor
• Product Brief: Intel® Core 2 Extreme Processor