CORE I7: Sandy Bridge microarchitecture (2nd generation)

Most models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost, AES-NI, Smart Cache, Intel Insider, vPro
Support for up to 4 DIMMS of DDR3-1333 memory.
S processors feature lower-than-normal TDP (65 W on 4-core models).
K processors have unlocked turbo multiplier but does not support Intel TXT, Intel VT-d ^[2] and vPro.^[3]
Non-K processors will have limited turbo overclocking.
Transistors: 1.16 billion^[4]
Die size: 216 mm²

Model number	sSpec number	Cores	Frequency	Turbo	L2 cache	L3 cache	GPU model	GPU frequency	TDP	Socket	I/O bus	Release date	Part number(s)	Release price (USD)
Standard power
Core i7-2600	SR00B (D2)	4	3.4 GHz	1/2/3/4^{[Note 2]}	4 × 256 KB	8 MB	HD Graphics 2000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	January 2011	CM8062300834302 BX80623I72600 BXC80623I72600	$294
Core i7-2600K	SR00C (D2)	4	3.4 GHz	1/2/3/4	4 × 256 KB	8 MB	HD Graphics 3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	January 2011	CM8062300833908 BX80623I72600K BXC80623I72600K	$317
Core i7-2700K	SR0DG (D2)	4	3.5 GHz	1/2/3/4	4 × 256 KB	8 MB	HD Graphics 3000	850–1350 MHz	95 W	LGA 1155	DMI 2.0	October 2011	CM8062301124100 BX80623I72700K BXC80623I72700K	$332
Low power
Core i7-2600S	SR00E (D2)	4	2.8 GHz	1/5/9/10	4 × 256 KB	8 MB	HD Graphics 2000	850–1350 MHz	65 W	LGA 1155	DMI 2.0	January 2011	CM8062300835604 BX80623I72600S

CORE I7