Westmere EP

Product Collection	Processor Number	# of Cores	# of Threads	Base Frequency	Litho- graphy	Socket Supported	Spec Code	Step- ping	Ordering Code
Xeon E-Series	E5603	4	4	1.60 GHz	32 nm	LGA-1366	SLC2F	B1	AT80614006954AA
Xeon E-Series	E5603	4	4	1.60 GHz	32 nm	LGA-1366	SLC2F	B1	BX80614E5603
Xeon E-Series	E5606	4	4	2.13 GHz	32 nm	LGA-1366	SLC2N	B1	BX80614E5606
Xeon E-Series	E5606	4	4	2.13 GHz	32 nm	LGA-1366	SLC2N	B1	AT80614007290AE
Xeon E-Series	E5607	4	4	2.26 GHz	32 nm	LGA-1366	SLBZ9	B1	AT80614006789AA
Xeon E-Series	E5607	4	4	2.26 GHz	32 nm	LGA-1366	SLBZ9	B1	BX80614E5607
Xeon E-Series	E5620	4	8	2.40 GHz	32 nm	LGA-1366	SLBV4	B1	BX80614E5620
Xeon E-Series	E5620	4	8	2.40 GHz	32 nm	LGA-1366	SLBV4	B1	AT80614005073AB
Xeon E-Series	E5630	4	8	2.53 GHz	32 nm	LGA-1366	SLBVB	B1	AT80614005463AA
Xeon E-Series	E5630	4	8	2.53 GHz	32 nm	LGA-1366	SLBVB	B1	BX80614E5630
Xeon E-Series	E5640	4	8	2.66 GHz	32 nm	LGA-1366	SLBVC	B1	BX80614E5640
Xeon E-Series	E5640	4	8	2.66 GHz	32 nm	LGA-1366	SLBVC	B1	AT80614005466AA
Xeon E-Series	E5645	6	12	2.40 GHz	32 nm	LGA-1366	SLBWZ	B1	AT80614003597AC
Xeon E-Series	E5645	6	12	2.40 GHz	32 nm	LGA-1366	SLBWZ	B1	BX80614E5645
Xeon E-Series	E5649	6	12	2.53 GHz	32 nm	LGA-1366	SLBZ8	B1	AT80614006783AB
Xeon E-Series	E5649	6	12	2.53 GHz	32 nm	LGA-1366	SLBZ8	B1	BX80614E5649
Xeon L-Series	L5609	4	4	1.86 GHz	32 nm	LGA-1366	SLBVJ	B1	AT80614005940AA
Xeon L-Series	L5618	4	8	1.87 GHz	32 nm	LGA-1366	SLBX3	B1	AT80614005079AB
Xeon L-Series	L5630	4	8	2.13 GHz	32 nm	LGA-1366	SLBVD	B1	AT80614005484AA
Xeon L-Series	L5630	4	8	2.13 GHz	32 nm	LGA-1366	SLBVD	B1	BX80614L5630
Xeon L-Series	L5638	6	12	2.00 GHz	32 nm	LGA-1366	SLBWY	B1	AT80614003591AB
Xeon L-Series	L5640	6	12	2.26 GHz	32 nm	LGA-1366	SLBV8	B1	AT80614005133AB
Xeon L-Series	L5640	6	12	2.26 GHz	32 nm	LGA-1366	SLBV8	B1	BX80614L5640
Xeon W-Series	W3670	6	12	3.20 GHz	32 nm	LGA-1366	SLBVE	B1	AT80613005490AC
Xeon W-Series	W3670	6	12	3.20 GHz	32 nm	LGA-1366	SLBVE	B1	BX80613W3670
Xeon W-Series	W3680	6	12	3.33 GHz	32 nm	LGA-1366	SLBV2	B1	AT80613003543AF
Xeon W-Series	W3680	6	12	3.33 GHz	32 nm	LGA-1366	SLBV2	B1	BX80613W3680
Xeon X-Series	X5647	4	8	2.93 GHz	32 nm	LGA-1366	SLBZ7	B1	AT80614006780AA
Xeon X-Series	X5650	6	12	2.66 GHz	32 nm	LGA-1366	SLBV3	B1	BX80614X5650
Xeon X-Series	X5650	6	12	2.66 GHz	32 nm	LGA-1366	SLBV3	B1	AT80614004320AD
Xeon X-Series	X5660	6	12	2.80 GHz	32 nm	LGA-1366	SLBV6	B1	AT80614005127AA
Xeon X-Series	X5660	6	12	2.80 GHz	32 nm	LGA-1366	SLBV6	B1	BX80614X5660
Xeon X-Series	X5667	4	8	3.06 GHz	32 nm	LGA-1366	SLBVA	B1	AT80614005154AB
Xeon X-Series	X5670	6	12	2.93 GHz	32 nm	LGA-1366	SLBV7	B1	BX80614X5670
Xeon X-Series	X5670	6	12	2.93 GHz	32 nm	LGA-1366	SLBV7	B1	AT80614005130AA
Xeon X-Series	X5672	4	8	3.20 GHz	32 nm	LGA-1366	SLBYK	B1	AT80614005922AA
Xeon X-Series	X5675	6	12	3.06 GHz	32 nm	LGA-1366	SLBYL	B1	BX80614X5675
Xeon X-Series	X5675	6	12	3.06 GHz	32 nm	LGA-1366	SLBYL	B1	AT80614006696AA
Xeon X-Series	X5677	4	8	3.46 GHz	32 nm	LGA-1366	SLBV9	B1	AT80614005145AB
Xeon X-Series	X5680	6	12	3.33 GHz	32 nm	LGA-1366	SLBV5	B1	BX80614X5680
Xeon X-Series	X5680	6	12	3.33 GHz	32 nm	LGA-1366	SLBV5	B1	AT80614005124AA
Xeon X-Series	X5687	4	8	3.60 GHz	32 nm	LGA-1366	SLBVY	B1	AT80614005919AB
Xeon X-Series	X5690	6	12	3.46 GHz	32 nm	LGA-1366	SLBVX	B1	BX80614X5690
Xeon X-Series	X5690	6	12	3.46 GHz	32 nm	LGA-1366	SLBVX	B1	AT80614005913AB