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General
Processor socket	LGA 1150	LGA 775	LGA 771
Component for	PC	N/A	Server/Workstation
Operating modes	64-bit	64-bit	64-bit

General

Processor socket

LGA 1150

LGA 775

LGA 771

Component for

Server/Workstation

Operating modes

64-bit

Processor
Clock speed	3.0 GHz	2.66 GHz	2.5 GHz
Number of cores	2	4	4
Number of threads	2	4	4
Thermal Design Power (TDP)	54.0 W	95.0 W	50.0 W
Processor lithography	0.0 in	0.0 in	0.0 in
Bus type	QPI	FSB	FSB
Idle states	yes	yes	yes
Bus speed	N/A	N/A	1333.0 MHz

Processor

Clock speed

3.0 GHz

2.66 GHz

2.5 GHz

Number of cores

Number of threads

Thermal Design Power (TDP)

54.0 W

95.0 W

50.0 W

Processor lithography

0.0 in

Bus type

QPI

FSB

Idle states

yes

Bus speed

1333.0 MHz

Memory
Cache	3 MB	4 MB	12 MB
Cache type	Smart Cache	L2	L3
Memory clock speeds supported by processor	1333.0 MHz	N/A	N/A
Maximum internal memory supported by processor	32.0 GB	N/A	N/A
Memory types supported by processor	DDR3 SDRAM	N/A	N/A
Memory bandwidth supported by processor (max)	25.6 GB/s	N/A	N/A
Memory channels	Dual	N/A	N/A

Memory

Cache

3 MB

4 MB

12 MB

Cache type

Smart Cache

Memory clock speeds supported by processor

1333.0 MHz

Maximum internal memory supported by processor

32.0 GB

Memory types supported by processor

DDR3 SDRAM

Memory bandwidth supported by processor (max)

25.6 GB/s

Memory channels

Dual

Features
Thermal monitoring technologies	yes	yes	yes
Maximum number of PCI Express lanes	16	N/A	N/A
Supported instruction sets	SSE4.1 SSE4.2	N/A	N/A
Execute disable bit	yes	yes	yes
Scalability	1S	N/A	N/A