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Ivy Bridge µarch
General Info
Arch Type	CPU
Designer	Intel
Manufacturer	Intel
Introduction	May 4, 2011
Phase-out	April, 2013
Process	22 nm
Succession
Sandy Bridge Haswell

Ivy Bridge (IVB) was Intel's microarchitecture based on the 22 nm process for desktops and servers. Ivy Bridge was introduced in 2011 as a process shrink of Sandy Bridge which introduced a number enhancements. Ivy Bridge became Intel's first microarchitecture to use tri-gate transistors for their commercial products.

For desktop and mobile, Ivy Bridge is branded as 3rd Generation Intel Core processors. For server class processors, Intel branded it as Xeon E3 v2, Xeon E5 v2, and Xeon E7 v2.

Codenames

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Process Technology

22nm Manufacturing Fabs
Fab	Location
D1C	Hillsboro, Oregon
D1D	Hillsboro, Oregon
Fab 32	Chandler, Arizona
Fab 12	Chandler, Arizona
Fab 28	Kiryat Gat, Israel

Ivy Bridge is designed to be manufactured using 22 nm Tri-gate FinFET transistors. This is Intel's first generation of FinFET. This correlates to 8 nm Fin width and a 42 nm Fin pitch (shown below). SRAM cell is at 0.1080 µm² and 0.092 µm² for high performance and high density respectively.

Scaling:

	Sandy Bridge	Ivy Bridge	Δ
	32 nm	22 nm
Fin Pitch	N/A	60 nm	N/A
Fin Width​		8 nm
Fin Height​		34 nm
Gate Pitch	112.5 nm	90 nm	0.80x
Interconnect Pitch	112.5 nm	80 nm	0.71x

Architecture

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Key changes from Sandy Bridge

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Die

Hexa-core Ivy Bridge Die

• Core i7-4960X
• 1,860,000,000 transistors
• 256.5 mm²
• 15.0 mm x 17.1 mm

Quad-core Ivy Bridge die

• 1,480,000,000 transistors
• 160 mm²
• 4 CPU cores
• 1 GPU core
  • 2x8xEU (64 ALUs)
• 22 nm process

Cores

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All Ivy Bridge Chips

Ivy Bridge Chips
Main processor									IGP
Model	µarch	Platform	Core	Launched	SDP	TDP	Freq	Max Mem	Name	Freq	Max Freq
1007U	Ivy Bridge		Ivy Bridge	20 January 2013		17 W 17,000 mW 0.0228 hp 0.017 kW	1,500 MHz 1.5 GHz 1,500,000 kHz	32,768 MiB 33,554,432 KiB 34,359,738,368 B 32 GiB 0.0313 TiB	Intel HD Graphics	350 MHz 0.35 GHz 350,000 KHz	1,000 MHz 1 GHz 1,000,000 KHz
i7-3770K	Ivy Bridge		Ivy Bridge-HE-4	23 April 2012		77 W 77,000 mW 0.103 hp 0.077 kW	3,500 MHz 3.5 GHz 3,500,000 kHz	32,768 MiB 33,554,432 KiB 34,359,738,368 B 32 GiB 0.0313 TiB	Intel HD Graphics 4000	650 MHz 0.65 GHz 650,000 KHz	1,150 MHz 1.15 GHz 1,150,000 KHz
i7-3920XM	Ivy Bridge	Panther Point	Ivy Bridge	28 April 2012		55 W 55,000 mW 0.0738 hp 0.055 kW	2,900 MHz 2.9 GHz 2,900,000 kHz	32,768 MiB 33,554,432 KiB 34,359,738,368 B 32 GiB 0.0313 TiB	Intel HD Graphics 4000	650 MHz 0.65 GHz 650,000 KHz	1,300 MHz 1.3 GHz 1,300,000 KHz
i7-3940XM	Ivy Bridge	Panther Point	Ivy Bridge	30 September 2012		55 W 55,000 mW 0.0738 hp 0.055 kW	3,000 MHz 3 GHz 3,000,000 kHz	32,768 MiB 33,554,432 KiB 34,359,738,368 B 32 GiB 0.0313 TiB	Intel HD Graphics 4000	650 MHz 0.65 GHz 650,000 KHz	1,350 MHz 1.35 GHz 1,350,000 KHz
i7-4960X	Ivy Bridge	X79	Ivy Bridge E	10 September 2013		130 W 130,000 mW 0.174 hp 0.13 kW	3,600 MHz 3.6 GHz 3,600,000 kHz	65,536 MiB 67,108,864 KiB 68,719,476,736 B 64 GiB 0.0625 TiB
Count: 5