List of Intel Xeon processors (Nehalem-based)

Xeon 3000-series (uniprocessor)

"Lynnfield" (45 nm)

Based on Nehalem microarchitecture
Uni-processor only
All models except X3430 support Hyper-Threading
All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Turbo Boost, Smart Cache, VT-x,^[1] EPT,^[1] VT-d, TXT, ECC^[2]
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)
Quad Core
Xeon X3430	SLBLJ (B1)	2.4 GHz	1/1/2/3	4	4 × 256 KB	8 MB	DMI	18×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3430 BV80605001914AG	$189
Xeon X3440	SLBLF (B1)	2.53 GHz	1/1/2/3	4	4 × 256 KB	8 MB	DMI	19×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3440 BV80605002517AQ	$215
Xeon X3450	SLBLD (B1)	2.67 GHz	1/1/4/4	4	4 × 256 KB	8 MB	DMI	20×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3450 BV80605001911AQ	$241
Xeon X3460	SLBJK (B1)	2.8 GHz	1/1/4/5	4	4 × 256 KB	8 MB	DMI	21×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3460 BV80605001908AL	$316
Xeon X3470	SLBJH (B1)	2.93 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	22×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	September 8, 2009	BX80605X3470 BV80605001905AJ	$589
Xeon X3480	SLBPT (B1)	3.07 GHz	2/2/4/5	4	4 × 256 KB	8 MB	DMI	23×	2 × DDR3-1333	0.65–1.40 V	95 W	LGA 1156	May 30, 2010	BX80605X3480 BV80605002505AH	$612
Quad Core, low voltage
Xeon L3426	SLBN3 (B1)	1.87 GHz	2/2/9/10	4	4 × 256 KB	8 MB	DMI	14×	2 × DDR3-1333	0.65–1.40 V	45 W	LGA 1156	September 8, 2009	BX80605L3426 BV80605004737AA	$284

"Bloomfield" (45 nm)

Based on Nehalem microarchitecture
Uni-processor only
Quad-core models support: Hyper-Threading, Turbo Boost
All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x,^[1] EPT,^[1] ECC
Die size: 263 mm²
Steppings: 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)
Dual Core
Xeon W3503	SLBGD (D0)	2.4 GHz	—	2	2× 256 KB	4 MB	1 × 4.8 GT/s QPI	18×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	March 30, 2009	AT80601002868AA	OEM
Xeon W3505	SLBGC (D0)	2.53 GHz	—	2	2× 256 KB	4 MB	1 × 4.8 GT/s QPI	19×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	March 30, 2009	AT80601002865AA	OEM
Quad Core
Xeon W3520	SLBEW (D0)	2.67 GHz	1/1/1/2	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	March 30, 2009	AT80601000741AB	$284
Xeon W3530	SLBKR (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	March 16, 2010	AT80601000897AB	$294
Xeon W3540	SLBEX (D0)	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	March 30, 2009	AT80601000921AB	$562
Xeon W3550	SLBEY (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	August 9, 2009	AT80601002112AB	$562
Xeon W3565	SLBEV (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	24×	3 × DDR3-1066	0.8–1.225 V	130 W	LGA 1366	November 1, 2009	AT80601002727AB	$562
Xeon W3570	SLBES (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	March 30, 2009	AT80601000918AB	$999
Xeon W3580	SLBET (D0)	3.33 GHz	1/1/1/2	4	4 × 256 KB	8 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	August 9, 2009	AT80601002274AB	$999

"Jasper Forest" (45 nm)

Based on Nehalem microarchitecture
Uni-processor only
LC3528 supports: Hyper-Threading, Turbo Boost
All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x,^[1] EPT,^[1] VT-d, ECC
Die size: 263 mm²
Steppings: B0^[3]

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)
Single Core, low voltage
Xeon LC3518	SLBWH (B0)	1.73 GHz	—	1	1 × 256 KB	2 MB	DMI	13×	2× DDR3-800	0.75–1.35 V	23 W	LGA 1366	February 11, 2010	AT80612002946AA	$192
Dual Core, low voltage
Xeon LC3528	SLBWG (B0)	1.73 GHz	1866 MHz	2	2 × 256 KB	4 MB	DMI	13×	2× DDR3-800	0.75–1.35 V	35 W	LGA 1366	February 11, 2010	AT80612002931AB	$302
Quad Core
Xeon EC3539	SLBWJ (B0)	2.13 GHz	—	4	4 × 256 KB	8 MB	DMI	16×	3 × DDR3-1066	0.75–1.35 V	65 W	LGA 1366	February 11, 2010	AT80612003090AA	$302

"Clarkdale" (MCP, 32 nm)

Based on Westmere microarchitecture
Uni-processor only
L3406 supports Hyper-Threading, Turbo Boost
All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x,^[1] EPT,^[1] VT-d, TXT, ECC^[2]
Die size: 81 mm² (CPU Component)
Steppings: C2

Model number	sSpec number	Frequency	Turbo	GPU frequency	Cores	L2 cache	L3 cache	I/O bus	Mult.	Memory	Voltage	TDP	Socket	Release date	Part number(s)	Release price (USD)
Dual Core, low voltage
Xeon L3403^[4]^[5]	SLBT9 (K0) SLBRX (C2)	2 GHz	—	—	2	2 × 256 KB	4 MB	DMI	15×	2 × DDR3-1066	0.65–1.40 V	30 W	LGA 1156	October 2010	CM80616005496AB	OEM
Xeon L3406	SLBT8 (K0) SLBQQ (C2)	2.27 GHz	2.53 GHz	—	2	2 × 256 KB	4 MB	DMI	17×	2 × DDR3-1066	0.65–1.40 V	30 W	LGA 1156	March 16, 2010	CM80616005010AA BX80616L3406	$189

"Gulftown" (32 nm)

Based on Westmere microarchitecture
Uniprocessor-only systems
All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, Hyper-Threading, AES-NI, SpeedStep, Turbo Boost, Smart Cache, VT-x,^[1] EPT,^[1] VT-d, TXT, ECC
Die size: 240 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)
Six Core
Xeon W3670	SLBVE (B1)	3.2 GHz	1/1/1/1/2/2	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	August 29, 2010	AT80613005490AC BX80613W3670	$885
Xeon W3680	SLBV2 (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	March 16, 2010	AT80613003543AF BX80613W3680	$999
Xeon W3690	SLBW2 (B1)	3.47 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	1 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.8–1.375 V	130 W	LGA 1366	February 14, 2011	AT80613005931AB BX80613W3690	$999

Xeon 5000-series (dual-processor)

"Nehalem-EP (Gainestown)" (45 nm) Efficient Performance

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand-Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c,^[6] Intel x8 SDDC^[2]^[7]
All models support: Hyper-Threading, Turbo Boost except E5502, E5503, E5504, E5506, L5506, E5507
All models support dual-processor configurations
Die size: 263 mm²
Steppings: D0^[8]^[9]

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)
Dual Core
Xeon E5502	SLBEZ (D0)	1.87 GHz	—	2	2× 256 KB	4 MB	2 × 4.8 GT/s QPI	14×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000804AA	$188
Xeon E5503	SLBKD (D0)	2 GHz	—	2	2× 256 KB	4 MB	2 × 4.8 GT/s QPI	15×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80602003636AA	$224
Dual Core, low voltage
Xeon L5508	SLBGK (D0)	2 GHz	2/3	2	2× 256 KB	8 MB	2 × 5.86 GT/s QPI	15×	3 × DDR3-1066	0.75–1.35 V	38 W	LGA 1366	March 30, 2009	AT80602002697AC	$440
Quad Core
Xeon E5504	SLBF9 (D0)	2 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	15×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000801AA	$224
Xeon E5506	SLBF8 (D0)	2.13 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000798AA	$266
Xeon E5507	SLBKC (D0)	2.27 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	17×	3 × DDR3-800	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80602000795AA	$266
Xeon E5520	SLBFD (D0)	2.27 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602002091AA	$373
Xeon E5530	SLBF7 (D0)	2.4 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000792AA	$530
Xeon E5540	SLBF6 (D0)	2.53 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 30, 2009	AT80602000789AA	$774
Xeon X5550	SLBF5 (D0)	2.67 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	20×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000771AA	$958
Xeon X5560	SLBF4 (D0)	2.8 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	21×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000768AA	$1172
Xeon X5570	SLBF3 (D0)	2.93 GHz	2/2/3/3	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	22×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 30, 2009	AT80602000765AA	$1386
Xeon W5580	SLBF2 (D0)	3.2 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 30, 2009	AT80602000756AD	$1600
Xeon W5590	SLBGE (D0)	3.33 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	August 9, 2009	AT80602000753AA	$1600
Quad Core, low voltage
Xeon L5506	SLBFH (D0)	2.13 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-800	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602002712AA	$423
Xeon L5518	SLBFW (D0)	2.13 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602002265AB	$551
Xeon L5520	SLBFA (D0)	2.27 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	March 30, 2009	AT80602000810AA	$530
Xeon L5530	SLBGF (D0)	2.4 GHz	1/1/1/2	4	4 × 256 KB	8 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	August 9, 2009	AT80602002927AB	$744

"Jasper Forest-DP" (45 nm)

Based on Nehalem microarchitecture
All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand-Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c,^[6] Intel x8 SDDC^[2]^[7]
EC5549, LC5528, and LC5518 support: Hyper-Threading, Turbo Boost
Die size: 263 mm²
Steppings: B0^[3]

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)
Dual Core
Xeon EC5539	SLBWL (B0)	2.27 GHz	—	2	2 × 256 KB	4 MB	1 × 5.86 GT/s QPI	17×	3 × DDR3-1333	0.75–1.35 V	65 W	LGA 1366	February 12, 2010	AT80612003861AB	$388
Quad Core
Xeon EC5509	SLBWM (B0)	2 GHz	—	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	15×	3 × DDR3-1066	0.75–1.35 V	85 W	LGA 1366	February 12, 2010	AT80612004740AA	$266
Xeon EC5549	SLBWP (B0)	2.53 GHz	2933 MHz	4	4 × 256 KB	8 MB	1 × 5.86 GT/s QPI	19×	3 × DDR3-1333	0.75–1.35 V	85 W	LGA 1366	February 12, 2010	AT80612005712AB	$530
Quad Core, low voltage
Xeon LC5518	SLBWF (B0)	1.73 GHz	2133 MHz	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	13×	3 × DDR3-1066	0.75–1.35 V	48 W	LGA 1366	February 12, 2010	AT80612002928AC	$519
Xeon LC5528	SLBWK (B0)	2.13 GHz	2533 MHz	4	4 × 256 KB	8 MB	1 × 4.8 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	60 W	LGA 1366	February 12, 2010	AT80612003858AA	$519

"Westmere-EP" (32 nm) Efficient Performance

Based on Westmere microarchitecture
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 EPT, Intel VT-d, Intel VT-c,^[10] Intel x8 SDDC,^[2]^[7] AES-NI, Smart Cache, Hyper-Threading, Turbo Boost except E5603, E5606, E5607, L5609
Dual-socket configurations supported
Die size: 240 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)
Dual Core
Xeon X5698	SLC32 (B1)	4.4 GHz	0/1	2	2 × 256 KB	12 MB	2 × 6.4 GT/s QPI	33×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	Q1, 2011	AT80614007314AA	OEM
Quad Core
Xeon E5603	SLC2F (B1)	1.6 GHz	—	4	4 × 256 KB	4 MB	2 × 4.8 GT/s QPI	12×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006954AA BX80614E5603	$188
Xeon E5606	SLC2N (B1)	2.13 GHz	—	4	4 × 256 KB	8 MB	2 × 4.8 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614007290AE BX80614E5606	$219
Xeon E5607	SLBZ9 (B1)	2.27 GHz	—	4	4 × 256 KB	8 MB	2 × 4.8 GT/s QPI	17×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006789AA BX80614E5607	$276
Xeon E5620	SLBV4 (B1)	2.4 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005073AB BX80614E5620	$387
Xeon E5630	SLBVB (B1)	2.53 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005463AA BX80614E5630	$551
Xeon E5640	SLBVC (B1)	2.67 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	20×	3 × DDR3-1066	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614005466AA BX80614E5640	$774
Xeon X5647	SLBZ7 (B1)	2.93 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	22×	3 × DDR3-1066	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614006780AA	$774
Xeon X5667	SLBVA (B1)	3.07 GHz	2/2/3/3	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	23×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005154AB	$1440
Xeon X5672	SLBYK (B1)	3.2 GHz	2/2/3/3	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	24×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	February 14, 2011	AT80614005922AA	$1440
Xeon X5677	SLBV9 (B1)	3.47 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 16, 2010	AT80614005145AB	$1663
Xeon X5687	SLBVY (B1)	3.6 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 6.4 GT/s QPI	27×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614005919AB	$1663
Quad Core, low power
Xeon L5609	SLBVJ (B1)	1.87 GHz	—	4	4 × 256 KB	12 MB	2 × 4.8 GT/s QPI	14×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005940AA	$440
Xeon L5618	SLBX3 (B1)	1.87 GHz	1/1/2/3	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	14×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005079AB	$530
Xeon L5630	SLBVD (B1)	2.13 GHz	1/1/2/2	4	4 × 256 KB	12 MB	2 × 5.86 GT/s QPI	16×	3 × DDR3-1066	0.75–1.35 V	40 W	LGA 1366	March 16, 2010	AT80614005484AA	$551
Six Core
Xeon E5645	SLBWZ (B1)	2.4 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1333	0.75–1.35 V	80 W	LGA 1366	March 16, 2010	AT80614003597AC	$551
Xeon E5649	SLBZ8 (B1)	2.53 GHz	1/1/2/2/3/3	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	19×	3 × DDR3-1333	0.75–1.35 V	80 W	LGA 1366	February 14, 2011	AT80614006783AB BX80614E5649	$774
Xeon X5650	SLBV3 (B1)	2.67 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	20×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614004320AD BX80614X5650	$996
Xeon X5660	SLBV6 (B1)	2.8 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	21×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005127AA BX80614X5660	$1219
Xeon X5670	SLBV7 (B1)	2.93 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	22×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	March 16, 2010	AT80614005130AA BX80614X5670	$1440
Xeon X5675	SLBYL (B1)	3.07 GHz	2/2/2/2/3/3	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	23×	3 × DDR3-1333	0.75–1.35 V	95 W	LGA 1366	February 14, 2011	AT80614006696AA BX80614X5675	$1440
Xeon X5679	SLC2E (B1)	3.2 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	24×	3 × DDR3-1066	0.75–1.35 V	115 W	LGA 1366	February 14, 2011	AT80614006924AA	OEM
Xeon X5680	SLBV5 (B1)	3.33 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	25×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	March 16, 2010	AT80614005124AA BX80614X5680	$1663
Xeon X5690	SLBVX (B1)	3.47 GHz	1/1/1/1/2/2	6	6 × 256 KB	12 MB	2 × 6.4 GT/s QPI	26×	3 × DDR3-1333	0.75–1.35 V	130 W	LGA 1366	February 14, 2011	AT80614005913AB BX80614X5690	$1663
Six Core, low power
Xeon L5638	SLBWY (B1)	2 GHz	1/1/2/2/3/3	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	15×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	March 16, 2010	AT80614003591AB	$958
Xeon L5639^[11]	SLBZJ (B1)	2.13 GHz	2/2/3/3/4/4	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	16×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	February 14, 2011	AT80614005076AB	OEM
Xeon L5640	SLBV8 (B1)	2.27 GHz	2/2/3/3/4/4	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	17×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	March 16, 2010	AT80614005133AB BX80614L5640	$996
Xeon L5645^[11]	SLBVW (B1)	2.4 GHz	2/2/3/3/4/4	6	6 × 256 KB	12 MB	2 × 5.86 GT/s QPI	18×	3 × DDR3-1333	0.75–1.35 V	60 W	LGA 1366	February 14, 2011	AT80614005136AB	OEM

Xeon 7000-series and E7 (multiprocessor)

"Nehalem-EX (Beckton)" (45 nm) Expandable

Based on Nehalem microarchitecture
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 EPT, Intel VT-d,^[7] Intel VT-c,^[7] Intel x8 SDDC,^[7] Turbo Boost, Smart Cache, Hyper-Threading except X7542
65xx models support single- and dual-processor configurations, while 75xx models support up to 8-processor configurations
Transistors: 2.3 billion
Die size: 684 mm²
Steppings: 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)
Quad Core
Xeon E6510	SLBRL (D0)	1.73 GHz	—	4	4× 256 KB	12 MB	4 × 4.8 GT/s QPI	13×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004896AA	$744
Xeon E7520	SLBRK (D0)	1.87 GHz	—	4	4× 256 KB	18 MB	4 × 4.8 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004887AA	$856
Six Core
Xeon E7530	SLBRJ (D0)	1.87 GHz	2133 MHz	6	6× 256 KB	12 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004884AA	$1391
Xeon E6540	SLBRC (D0)	2 GHz	2266 MHz	6	6× 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604001800AB	$1712
Xeon E7540	SLBRG (D0)	2 GHz	2266 MHz	6	6× 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	105 W	LGA 1567	March 30, 2010	AT80604004878AA	$1980
Xeon X7542	SLBRM (D0)	2.67 GHz	2800 MHz	6	6× 256 KB	18 MB	4 × 5.86 GT/s QPI	20×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604005280AA	$1980
Six Core, low power
Xeon L7545	SLBRH (D0)	1.87 GHz	2533 MHz	6	6× 256 KB	18 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	95 W	LGA 1567	March 30, 2010	AT80604004881AA	$2087
Eight Core
Xeon X6550	SLBRB (D0)	2 GHz	2400 MHz	8	8× 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604001797AB	$2461
Xeon X7550	SLBRE (D0)	2 GHz	2400 MHz	8	8× 256 KB	18 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604004872AA	$2729
Xeon X7560	SLBRD (D0)	2.27 GHz	2666 MHz	8	8× 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.675–1.35 V	130 W	LGA 1567	March 30, 2010	AT80604004869AA	$3692
Eight Core, low power
Xeon L7555	SLBRF (D0)	1.87 GHz	2533 MHz	8	8× 256 KB	24 MB	4 × 5.86 GT/s QPI	14×	4 × DDR3-1333	0.675–1.35 V	95 W	LGA 1567	March 30, 2010	AT80604004875AA	$3157

"Westmere-EX" (32 nm) Expandable

Based on Westmere microarchitecture.
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 EPT, Intel VT-d, Intel VT-c, Intel DDDC,^[12] Hyper-threading (except E7-8837), Turbo Boost, AES-NI, Smart Cache.
28xx models support single- and dual-processor configurations, 48xx models support up to four-processor configurations, 88xx models support up to eight-processor configurations.
Transistors: 2.6 billion
Die size: 513 mm²
Steppings: A2

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)
Six Core
Xeon E7-2803	SLC3M (A2)	1.73 GHz	—	6	6× 256 KB	18 MB	4 × 4.8 GT/s QPI	13×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615006438AB	$774
Xeon E7-4807	SLC3L (A2)	1.87 GHz	—	6	6× 256 KB	18 MB	4 × 4.8 GT/s QPI	14×	4 × DDR3-1333	0.6–1.35 V	95 W	LGA 1567	April 3, 2011	AT80615006432AB	$890
Eight Core
Xeon E7-2820	SLC3R (A2)	2 GHz	1/1/1/2	8	8× 256 KB	18 MB	4 × 5.86 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007245AA	$1334
Xeon E7-2830	SLC3J (A2)	2.13 GHz	1/1/1/2	8	8× 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005787AB	$1779
Xeon E7-4820	SLC3G (A2)	2 GHz	1/1/1/2	8	8× 256 KB	18 MB	4 × 5.86 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005772AC	$1446
Xeon E7-4830	SLC3Q (A2)	2.13 GHz	1/1/1/2	8	8× 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007089AA BX80615E74830	$2059
Xeon E7-8830	SLC3K (A2)	2.13 GHz	1/1/1/2	8	8× 256 KB	24 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615005826AB	$2280
Xeon E7-8837	SLC3N (A2)	2.67 GHz	1/1/1/1	8	8× 256 KB	24 MB	4 × 6.4 GT/s QPI	20×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615006750AB	$2280
Ten Core
Xeon E7-2850	SLC3W (A2)	2 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007452AA	$2558
Xeon E7-2860	SLC3H (A2)	2.27 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005781AB	$3670
Xeon E7-2870	SLC3U (A2)	2.4 GHz	1/1/2/3/3	10	10× 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007266AA	$4227
Xeon E7-4850	SLC3V (A2)	2 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007449AA	$2837
Xeon E7-4860	SLC3S (A2)	2.27 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007254AA	$3838
Xeon E7-4870	SLC3T (A2)	2.4 GHz	1/1/2/3/3	10	10× 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007263AA BX80615E74870	$4394
Xeon E7-8850	SLC3D (A2)	2 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	15×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615007446AA	$3059
Xeon E7-8860	SLC3F (A2)	2.27 GHz	1/1/2/3/3	10	10× 256 KB	24 MB	4 × 6.4 GT/s QPI	17×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005760AB	$4061
Xeon E7-8870	SLC3E (A2)	2.4 GHz	1/1/2/3/3	10	10× 256 KB	30 MB	4 × 6.4 GT/s QPI	18×	4 × DDR3-1333	0.6–1.35 V	130 W	LGA 1567	April 3, 2011	AT80615005757AB	$4616
Ten Core, low power
Xeon E7-8867L	SLC3P (A2)	2.13 GHz	1/1/2/3/3	10	10× 256 KB	30 MB	4 × 6.4 GT/s QPI	16×	4 × DDR3-1333	0.6–1.35 V	105 W	LGA 1567	April 3, 2011	AT80615007002AB	$4172

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j "Intel CPU Vt-x EPT support". Intel® ARK (Product Specs). Retrieved 30 October 2014.
^ ^a ^b ^c ^d ^e "Intel® Xeon® 3400 5500 5600 Series Comparison Matrix". Retrieved 30 October 2014.
^ ^a ^b Intel Xeon Processor C5500/C3500 series specification update (PDF)
^ "Xeon L3403". Retrieved 30 October 2014.
^ Intel® Xeon® Processor 3400 Series
^ ^a ^b "Server Virtualization with Intel® Xeon® Processor 5500 Series" (PDF). Retrieved 30 October 2014.
^ ^a ^b ^c ^d ^e ^f "Intel® Xeon® 7500/6500 vs 5600/5500" (PDF). Archived from the original (PDF) on 2010-08-21. Retrieved 2019-12-15.
^ Aaron Heibert (23 September 2008). "Intel's '09 Roadmap Revealed: Part 1". Tom's Hardware. Retrieved 30 October 2014.
^ Digitimes. "Intel adds more Nehalem CPUs to server line; to phase out more notebook CPUs". TG Daily. Archived from the original on 27 January 2009. Retrieved 30 October 2014.
^ "Intel® Xeon® 5600 Series Product Brief" (PDF). Retrieved 30 October 2014.
^ ^a ^b http://www.intel.com/content/dam/www/public/us/en/documents/specification-updates/xeon-5600-specification-update.pdf ^{[bare URL PDF]}
^ "Intel® Xeon® Processor E7-8800/4800/2800 Product Families" (PDF). Retrieved 30 October 2014.

Intel processors

Lists

Processors
- Atom
- Celeron
- Pentium
  - Pro
  - II
  - III
  - 4
  - D
  - M
- Core
  - 2
  - i3
  - i5
  - i7
  - i9
  - M
- Xeon
- Quark
- Itanium
Microarchitectures
Chipsets

Microarchitectures

IA-32 (32-bit x86)	P5 P6 P6 variant (Pentium M) P6 variant (Enhanced Pentium M) NetBurst
x86-64 (64-bit)	Core Penryn Nehalem Westmere Sandy Bridge Ivy Bridge Haswell Broadwell Skylake Cannon Lake Sunny Cove Cypress Cove Willow Cove Golden Cove
x86 ULV	Bonnell Saltwell Silvermont Goldmont Goldmont Plus Tremont Gracemont

Current products

x86-64 (64-bit)	Atom Celeron Pentium Core 10th gen 11th gen 12th gen 13th gen 14th gen Xeon

Discontinued

BCD oriented (4-bit)	4004 (1971) 4040 (1974)
pre-x86 (8-bit)	8008 (1972) 8080 (1974) 8085 (1977)
Early x86 (16-bit)	8086 (1978) 8088 (1979) 80186 (1982) 80188 (1982) 80286 (1982)
x87 (external FPUs)	8/16-bit databus 8087 (1980) 16-bit databus 80C187 80287 80387SX 32-bit databus 80387DX 80487
IA-32 (32-bit x86)	i386 SX 376 EX i486 SX DX2 DX4 SL RapidCAD OverDrive A100/A110 Atom CE SoC Celeron (1998) M D (2004) Pentium Original i586 OverDrive Pro II III 4 M Dual-Core Core Xeon P6-based NetBurst-based Core-based Quark Tolapai
x86-64 (64-bit)	Atom SoC CE Celeron D Dual-Core Pentium 4 D Extreme Edition Dual-Core Core 2 1st gen 2nd gen 3rd gen 4th gen 5th gen 6th gen 7th gen 8th gen 9th gen 10th gen 11th gen M Xeon Nehalem-based Sandy Bridge-based Ivy Bridge-based Haswell-based Broadwell-based Skylake-based
Other	CISC iAPX 432 EPIC Itanium RISC i860 i960 StrongARM XScale

This page was last edited on 30 January 2024, at 12:24

From Wikipedia, the free encyclopedia

Xeon 3000-series (uniprocessor)

"Lynnfield" (45 nm)

"Bloomfield" (45 nm)

"Jasper Forest" (45 nm)

"Clarkdale" (MCP, 32 nm)

"Gulftown" (32 nm)

Xeon 5000-series (dual-processor)

"Nehalem-EP (Gainestown)" (45 nm) Efficient Performance

"Jasper Forest-DP" (45 nm)

"Westmere-EP" (32 nm) Efficient Performance

Xeon 7000-series and E7 (multiprocessor)

"Nehalem-EX (Beckton)" (45 nm) Expandable

"Westmere-EX" (32 nm) Expandable

References