CORE I7: 2017

Friday, January 27, 2017

Kaby Lake microarchitecture (7th generation)

"Kaby Lake-S" (14 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, SGX, MPX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Turbo Boost, Hyper-threading, AES-NI, Intel TSX-NI, Intel vPro, Intel TXT, Smart Cache.
Low power models also support configurable TDP (cTDP) down.
K models do not support Intel vPro, Intel TXT.

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 i7-7700	SR338 (B0)	4	3.6 GHz	4.2 GHz	4 × 256 KB	8 MB	HD Graphics 630	350–1150 MHz	65 W	LGA 1151	DMI 3.0	January 2017	BX80677I77700 BXC80677I77700 CM8067702868314	$303
Core i7-7700K	SR33A (B0)	4	4.2 GHz	4.5 GHz	4 × 256 KB	8 MB	HD Graphics 630	350–1150 MHz	91 W	LGA 1151	DMI 3.0	January 2017	BX80677I77700K BXC80677I77700K CM8067702868535	$339
Low power
Core i7-7700T	SR339 (B0)	4	2.9 GHz	3.8 GHz	4 × 256 KB	8 MB	HD Graphics 630	350–1150 MHz	35 W	LGA 1151	DMI 3.0	January 2017	BX80677I77700T BXC80677I77700T CM8067702868416	$303

Mobile processors

Nehalem microarchitecture (1st generation)

"Clarksfield" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost, Smart Cache.
FSB has been replaced with DMI.
Transistors: 774 million
Die size: 296 mm²
Steppings: B1

Model number	sSpec number	Frequency	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Core i7-720QM	SLBLY (B1)	1.6 GHz	1/1/6/9^{[Note 1]}	4	4 × 256 KB	6 MB	DMI	12×	2 × DDR3-1333	0.65–1.4 V	45 W	Socket G1	September 2009	BY80607002907AH BX80607I7720QM	$364
Core i7-740QM	SLBQG (B1)	1.73 GHz	1/1/6/9	4	4 × 256 KB	6 MB	DMI	13×	2 × DDR3-1333	0.65–1.4 V	45 W	Socket G1	June 2010	BY80607005259AA BX80607I7740QM	$378
Core i7-820QM	SLBLX (B1)	1.73 GHz	1/1/8/10	4	4 × 256 KB	8 MB	DMI	13×	2 × DDR3-1333	0.65–1.4 V	45 W	Socket G1	September 2009	BY80607002904AK	$546
Core i7-840QM	SLBMP (B1)	1.87 GHz	1/1/8/10	4	4 × 256 KB	8 MB	DMI	14×	2 × DDR3-1333	0.65–1.4 V	45 W	Socket G1	June 2010	BY80607002901AI BX80607I7840QM	$568
Core i7-920XM	SLBLW (B1)	2 GHz	2/2/8/9	4	4 × 256 KB	8 MB	DMI	15×	2 × DDR3-1333	0.65–1.4 V	55 W	Socket G1	September 2009	BY80607002529AF	$1054
Core i7-940XM	SLBSC (B1)	2.13 GHz	2/2/8/9	4	4 × 256 KB	8 MB	DMI	16×	2 × DDR3-1333	0.65–1.4 V	55 W	Socket G1	June 2010	BY80607002526AE	$

Skylake microarchitecture (6th generation)

"Skylake-S" (quad-core, 14 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, BMI1 (Bit Manipulation Instructions 1) and BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider, Intel SGX, Intel MPX, Intel TSX-NI.
Embedded models also support: Intel vPro, Intel TXT.
Transistors:
Die size:
PCI Express lanes: 16

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 i7-6700	SR2BT (R0) SR2L2 (R0)	4	3.4 GHz	3/4/5/6^[9]	4 × 256 KB	8 MB	HD Graphics 530	350–1150 MHz	65 W	LGA 1151	DMI 3.0	September 2015	CM8066201920103 BX80662I76700 BXC80662I76700	$303
Core i7-6700K	SR2BR (R0) SR2L0 (R0)	4	4 GHz	0/0/0/2	4 × 256 KB	8 MB	HD Graphics 530	350–1150 MHz	91 W	LGA 1151	DMI 3.0	August 2015	CM8066201919901 BX80662I76700K BXC80662I76700K	$339
Low power
Core i7-6700T	SR2BU (R0) SR2L3 (R0)	4	2.8 GHz	6/6/7/8	4 × 256 KB	8 MB	HD Graphics 530	350–1100 MHz	35 W	LGA 1151	DMI 3.0	September 2015	BXC80662I76700T CM8066201920202	$303
Low power, embedded
Core i7-6700TE	SR2LP (R0)	4	2.4 GHz	?/?/?/10	4 × 256 KB	8 MB	HD Graphics 530	350–1000 MHz	35 W	LGA 1151	DMI 3.0	September 2015	CM8066201937801	$303

"Skylake-H" (quad-core, 14 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, (BMI1)(Bit Manipulation Instructions1)+BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider, Intel vPro, Intel TXT, Intel SGX, Intel MPX, Intel TSX-NI.
Transistors:
Die size:

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)
Core i7-6785R	SR2QQ (N0) SR2U0 (N0)	4	3.3 GHz	2/4/5^[10]/6	4 × 256 KB	8 MB	Iris Pro Graphics 580	350–1150 MHz	65 W	BGA 1440	DMI 3.0	May 2016	JQ8066201926802 JQ8066201926803	$370

Broadwell microarchitecture (5th generation)

"Broadwell-H" (quad-core, 14 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, (BMI1)(Bit Manipulation Instructions1)+BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider, Intel TSX-NI (TSX might be disabled on early CPU versions via microcode update due to the hardware bug).
All models also contain "Crystal Well": 128 MiB eDRAM acting as L4 cache
Transistors:
Die size:

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)
Core i7-5775C	SR2AG (G0)	4	3.3 GHz	3/3/4/4^[8]	4 × 256 KB	6 MB	Iris Pro Graphics 6200	300–1150 MHz	65 W	LGA 1150	DMI 2.0	June 2015	CM8065802483301 BX80658I75775C	$366
Core i7-5775R	SR2AL (G0)	4	3.3 GHz	4/4/5/5	4 × 256 KB	6 MB	Iris Pro Graphics 6200	300–1150 MHz	65 W	BGA-1364	DMI 2.0	June 2015	FH8065802483601	$348

"Broadwell-E" (14 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 3.0, AES-NI, Smart Cache.
Does not support Intel TSX-NI (disabled using microcode update, due to the hardware bugs in most of the steppings).
Support for up to 8 DIMMS of DDR4-2400 memory.
Transistors:
Die size:
i7-6800K has 28 PCI Express lanes; all others have 40

Model number	sSpec number	Cores	Frequency	Turbo	L2 cache	L3 cache	TDP	Socket	I/O bus	Memory	Release date	Part number(s)	Release price (USD)
Core i7-6800K	SR2PD (R0)	6	3.4 GHz	1/1/1/1/4/4	6 × 256 KB	15 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2400	May 2016	BX80671I76800K BXC80671I76800K CM8067102056201	$434
Core i7-6850K	SR2PC (R0)	6	3.6 GHz	4 GHz	6 × 256 KB	15 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2400	May 2016	BX80671I76850K BXC80671I76850K CM8067102056100	$617
Core i7-6900K	SR2PB (R0)	8	3.2 GHz	4 GHz	8 × 256 KB	20 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2400	May 2016	BX80671I76900K BXC80671I76900K CM8067102056010	$1089
Core i7-6950X	SR2PA (R0)	10	3 GHz	4 GHz	10 × 256 KB	25 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2400	May 2016	BX80671I76950X CM8067102055800	$1723

Haswell microarchitecture (4th generation

"Haswell-DT" (quad-core, 22 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, (BMI1)(Bit Manipulation Instructions1)+BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider
All models except the i7-4770K additionally supported Intel TSX-NI at launch, but support was disabled in later stepping and microcode updates, due to the incorrect implementation, that couldn't be solved by microcode without hurting performance or fixing it fully.
All models except the i7-4770K additionally support Intel VT-d
All models except the i7-4770K and i7-4790K additionally support vPro and TXT
Transistors: 1.4 billion
Die size: 177 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 i7-4770	SR149 (C0)	4	3.4 GHz	3/4/5/5^{[Note 2]}	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	84 W	LGA 1150	DMI 2.0	June 2013	CM8064601464303 BX80646I74770 BXC80646I74770	$303
Core i7-4770K	SR147 (C0)	4	3.5 GHz	2/3/4/4	4 × 256 KB	8 MB	HD Graphics 4600	350–1250 MHz	84 W	LGA 1150	DMI 2.0	June 2013	CM8064601464206 BX80646I74770K BXF80646I74770K BXC80646I74770K	$339
Core i7-4771	SR1BW (C0)	4	3.5 GHz	2/3/4/4	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	84 W	LGA 1150	DMI 2.0	Sept 2013	CM8064601464302 BX80646I74771 BXC80646I74771	$320
Core i7-4790	SR1QF (C0)	4	3.6 GHz	2/3/4/4	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	84 W	LGA 1150	DMI 2.0	May 2014^[6]	CM8064601560113 BX80646I74790 BXC80646I74790	$303
Core i7-4790K	SR219 (C0)	4	4 GHz	2/3/4/4	4 × 256 KB	8 MB	HD Graphics 4600	350–1250 MHz	88 W	LGA 1150	DMI 2.0	June 2014	CM8064601710501 BX80646I74790K BXF80646I74790K BXC80646I74790K	$339
Low power
Core i7-4770S	SR14H (C0)	4	3.1 GHz	4/5/7/8	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	65 W	LGA 1150	DMI 2.0	June 2013	CM8064601465504 BX80646I74770S	$303
Core i7-4790S	SR1QM (C0)	4	3.2 GHz	4/5/7/8	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	65 W	LGA 1150	DMI 2.0	May 2014^[7]	CM8064601561014 BX80646I74790S	$303
Ultra-low power
Core i7-4765T	SR14Q (C0)	4	2 GHz	6/7/9/10	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	35 W	LGA 1150	DMI 2.0	June 2013	CM8064601466200	$303
Core i7-4770T	SR14N (C0)	4	2.5 GHz	6/9/11/12	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	45 W	LGA 1150	DMI 2.0	June 2013	CM8064601465902	$303
Core i7-4785T	SR1QU (C0)	4	2.2 GHz	6/7/9/10	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	35 W	LGA 1150	DMI 2.0	May 2014	CM8064601561714	$303
Core i7-4790T	SR1QS (C0)	4	2.7 GHz	6/9/11/12	4 × 256 KB	8 MB	HD Graphics 4600	350–1200 MHz	45 W	LGA 1150	DMI 2.0	May 2014	CM8064601561513	$303
Ultra-low power, embedded
Core i7-4770TE	SR183 (C0)	4	2.3 GHz	4/4/9/10	4 × 256 KB	8 MB	HD Graphics 4600	350–1000 MHz	45 W	LGA 1150	DMI 2.0	June 2013	CM8064601538900	$303

"Haswell-H" (MCP, quad-core, 22 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, (BMI1)(Bit Manipulation Instructions1)+BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider.
i7-4770R does not support TSX, TXT and Vpro.
Core i7-4770R also contains "Crystalwell": 128 MiB eDRAM built at (22 nm) acting as L4 cache
Transistors: 1.4 billion
Die size: 264mm² + 84mm²

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)
Core i7-4770R	SR18K (C0)	4	3.2 GHz	4/5/6/7^{[Note 2]}	4 × 256 KB	6 MB	Iris Pro Graphics 5200	200–1300 MHz	65 W	BGA-1364	DMI 2.0	June 2013	CL8064701508001	$392

"Haswell-E" (22 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache.
Support for up to 8 DIMMS of DDR4-2133 memory.
Transistors: 2.60 billion
Die size: 356 mm²
i7-5820K has 28 PCI Express lanes; i7-5930K and i7-5960X have 40

Model number	sSpec number	Cores	Frequency	Turbo	L2 cache	L3 cache	TDP	Socket	I/O bus	Memory	Release date	Part number(s)	Release price (USD)
Core i7-5820K	SR20S (R2)	6	3.3 GHz	1/1/1/1/3/3	6 × 256 KB	15 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2133	August 2014	CM8064801548435 BX80648I75820K	$389
Core i7-5930K	SR20R (R2)	6	3.5 GHz	1/1/1/1/2/2	6 × 256 KB	15 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2133	August 2014	CM8064801548338 BX80648I75930K	$583
Core i7-5960X	SR20Q (R2)	8	3 GHz	3/3/3/3/3/3/5/5	8 × 256 KB	20 MB	140 W	LGA 2011-3	DMI 2.0	4 × DDR4-2133	August 2014	CM8064801547964 BX80648I75960X	$999

Ivy Bridge microarchitecture (3rd generation)

"Ivy Bridge" (22 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache, Intel Insider,
Support for up to 4 DIMMS of DDR3-1600 memory.
All models except the K processors additionally support Intel TXT, Intel VT-d and vPro.
S processors feature lower-than-normal TDP (65 W on 4-core models).
T processors are performance optimized
K processors have unlocked turbo multiplier but does not support Intel TXT, Intel VT-d ^[5] and vPro. Non-K processors will have limited turbo overclocking.
Transistors: 1.4 billion
Die size: 160 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 i7-3770	SR0PK (E1)	4	3.4 GHz	3/4/5/5^{[Note 2]}	4 × 256 KB	8 MB	HD Graphics 4000	650–1150 MHz	77 W	LGA 1155	DMI 2.0	April 2012	CM8063701211600 BX80637I73770 BXC80637I73770	$278
Core i7-3770K	SR0PL (E1)	4	3.5 GHz	2/3/4/4	4 × 256 KB	8 MB	HD Graphics 4000	650–1150 MHz	77 W	LGA 1155	DMI 2.0	April 2012	CM8063701211700 BX80637I73770K BXC80637I73770K	$313
low power
Core i7-3770S	SR0PN (E1)	4	3.1 GHz	4/5/7/8	4 × 256 KB	8 MB	HD Graphics 4000	650–1150 MHz	65 W	LGA 1155	DMI 2.0	April 2012	CM8063701211900 BX80637I73770S	$278
Ultra-low power
Core i7-3770T	SR0PQ (E1)	4	2.5 GHz	6/9/11/12	4 × 256 KB	8 MB	HD Graphics 4000	650–1150 MHz	45 W	LGA 1155	DMI 2.0	April 2012	CM8063701212200 BX80637I73770T	$278

"Ivy Bridge-E" (22 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0, AES-NI, Smart Cache.
Support for up to 8 DIMMS of DDR3-1866 memory.
Transistors: 1.86 billion
Die size: 256.5 mm²

Model number	sSpec number	Cores	Frequency	Turbo	L2 cache	L3 cache	TDP	Socket	I/O bus	Memory	Release date	Part number(s)	Release price (USD)
Core i7-4820K	SR1AU (S1)	4	3.7 GHz	0/0/0/2^{[Note 2]}	4 × 256 KB	10 MB	130 W	LGA 2011	DMI 2.0	8 × DDR3-1866	September 2013	CM8063301292805 BX80633I74820K	$310
Core i7-4930K	SR1AT (S1)	6	3.4 GHz	2/2/3/3/3/5	6 × 256 KB	12 MB	130 W	LGA 2011	DMI 2.0	8 × DDR3-1866	September 2013	CM8063301292702 BX80633I74930K	$555
Core i7-4960X	SR1AS (S1)	6	3.6 GHz	1/1/2/3/3/4	6 × 256 KB	15 MB	130 W	LGA 2011	DMI 2.0	8 × DDR3-1866	September 2013	CM8063301292500 BX80633I74960X	$990

Sandy Bridge microarchitecture (2nd generation)

"Sandy Bridge" (32 nm)

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

Westmere microarchitecture (1st generation)

"Gulftown" (32 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-threading, Turbo Boost, AES-NI, Smart Cache.
Core i7-980X and 990X feature an unlocked multiplier.
FSB has been replaced with QPI.
Transistors: 1170 million
Die size: 239 mm²
Steppings: B1

Model number	sSpec number	Frequency	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Core i7-970	SLBVF (B1)	3.2 GHz	1/1/1/1/2/2^{[Note 1]}	6	6 × 256 KB	12 MB	1 × 4.8 GT/s QPI	24×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	July 2010	AT80613005490AD BX80613I7970	$885
Core i7-980	SLBYU (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 4.8 GT/s QPI	25×	3 × DDR3-1066	0.8–1.300 V	130 W	LGA 1366	June 2011	AT80613006756AA BX80613I7980	$583
Core i7-980X	SLBUZ (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	March 2010	AT80613003543AE BX80613I7980X	$999
Core i7-990X	SLBVZ (B1)	3.47 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	26×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	February 2011	AT80613005931AA BX80613I7990X	$999

"Lynnfield" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost, Smart Cache.
Core i7-875K features an unlocked multiplier and does not support Intel TXT and Intel VT-d..^[1]
FSB has been replaced with DMI.
Transistors: 774 million
Die size: 296 mm²
Stepping: B1

Model number	sSpec number	Frequency	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Standard power
Core i7-860	SLBJJ (B1)	2.8 GHz	1/1/4/5^{[Note 1]}	4	4 × 256 KB	8 MB	DMI	21×	2 × DDR3-1333	0.65–1.4 V	95 W	LGA 1156	September 2009	BV80605001908AK BX80605I7860	$284
Core i7-870	SLBJG (B1)	2.93 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	22×	2 × DDR3-1333	0.65–1.4 V	95 W	LGA 1156	September 2009	BV80605001905AI BX80605I7870	$562
Core i7-875K	SLBS2 (B1)	2.93 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	22×	2 × DDR3-1333	0.65–1.4 V	95 W	LGA 1156	May 2010	BV80605001905AM BX80605I7875K	$342
Core i7-880	SLBPS (B1)	3.07 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	23×	2 × DDR3-1333	0.65–1.4 V	95 W	LGA 1156	May 2010	BV80605002505AG BX80605I7880	$583
Low power
Core i7-860S	SLBLG (B1)	2.53 GHz	0/0/6/7	4	4 × 256 KB	8 MB	DMI	19×	2 × DDR3-1333	0.65–1.4 V	82 W	LGA 1156	January 2010	BV80605003210AD BX80605I7860S	$337
Core i7-870S	SLBQ7 (B1)	2.67 GHz	0/0/6/7	4	4 × 256 KB	8 MB	DMI	20×	2 × DDR3-1333	0.65–1.4 V	82 W	LGA 1156	July 2010	BX80605I7870S BV80605004494AB	$351

Desktop processors

Nehalem microarchitecture (1st generation)

"Bloomfield" (45 nm)

All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Hyper-threading, Turbo Boost, Smart Cache.
FSB has been replaced with QPI.
Transistors: 731 million
Die size: 263 mm²
Steppings: C0, D0

Model number	sSpec number	Frequency	Turbo	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Core i7-920	SLBCH (C0) SLBEJ (D0)	2.67 GHz	1/1/1/2^{[Note 1]}	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	20×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	November 2008	BX80601920 AT80601000741AA	$284
Core i7-930	SLBKP (D0)	2.8 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	21×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	February 2010	BX80601930 AT80601000897AA	$294
Core i7-940	SLBCK (C0)	2.93 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	22×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	November 2008	BX80601940 AT80601000921AA	$562
Core i7-950	SLBEN (D0)	3.07 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	23×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	June 2009	BX80601950 AT80601002112AA	$562
Core i7-960	SLBEU (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	24×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	October 2009	BX80601960 AT80601002727AA	$562
Core i7-965 Extreme Edition	SLBCJ (C0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	24×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	November 2008	BX80601965 AT80601000918AA	$999
Core i7-975 Extreme Edition	SLBEQ (D0)	3.33 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1066	0.8–1.375 V	130 W	LGA 1366	June 2009	BX80601975 AT80601002274AA	$999