Westmere - Microarchitectures - Intel

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	Westmere µarch
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Westmere was the microarchitecture for Intel's 32 nm process for desktops and servers. Westmere was introduced in 2010 as a process shrink of Nehalem which introduced a number enhancements.

For desktop and mobile, Westmere was branded as 1st Generation Intel Core processors.

All Sandy Westmere Chips

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Westmere Chips
Main processor										IGP
Model	Family	Core	Launched	TDP	Freq	Max Mem	Sockets	Cores	Threads	Name	Freq	Max Freq
P4500	Celeron	Arrandale	28 March 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	1.867 GHz 1,866.66 MHz 1,866,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
P4505	Celeron	Arrandale	28 March 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	1.867 GHz 1,866.66 MHz 1,866,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
P4600	Celeron	Arrandale	28 March 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2 GHz 1,999.99 MHz 1,999,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
U3400	Celeron	Arrandale	24 May 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.067 GHz 1,066.66 MHz 1,066,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
U3405	Celeron	Arrandale	15 August 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.067 GHz 1,066.66 MHz 1,066,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
U3600	Celeron	Arrandale	11 January 2011	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i3-330E	Core i3	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.133 GHz 2,133.33 MHz 2,133,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i3-330M	Core i3	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.133 GHz 2,133.33 MHz 2,133,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i3-330UM	Core i3	Arrandale	24 May 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i3-350M	Core i3	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.267 GHz 2,266.66 MHz 2,266,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i3-370M	Core i3	Arrandale	22 June 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.4 GHz 2,399.99 MHz 2,399,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i3-380M	Core i3	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.533 GHz 2,533.33 MHz 2,533,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i3-380UM	Core i3	Arrandale	1 October 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i3-390M	Core i3	Arrandale	11 January 2011	35 W 35,000 mW 0.0469 hp 0.035 kW	2.667 GHz 2,666.66 MHz 2,666,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
i5-430M	Core i5	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.267 GHz 2,266.66 MHz 2,266,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-430UM	Core i5	Arrandale	20 June 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i5-450M	Core i5	Arrandale	20 June 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.4 GHz 2,399.99 MHz 2,399,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-460M	Core i5	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.533 GHz 2,533.33 MHz 2,533,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-470UM	Core i5	Arrandale	1 October 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i5-480M	Core i5	Arrandale	11 January 2011	35 W 35,000 mW 0.0469 hp 0.035 kW	2.667 GHz 2,666.66 MHz 2,666,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-520E	Core i5	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.4 GHz 2,399.99 MHz 2,399,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-520M	Core i5	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.4 GHz 2,399.99 MHz 2,399,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-520UM	Core i5	Arrandale	7 January 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.067 GHz 1,066.66 MHz 1,066,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i5-540M	Core i5	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.533 GHz 2,533.33 MHz 2,533,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-540UM	Core i5	Arrandale	24 May 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i5-560M	Core i5	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.667 GHz 2,666.66 MHz 2,666,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i5-560UM	Core i5	Arrandale	26 September 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i5-580M	Core i5	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.667 GHz 2,666.66 MHz 2,666,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i7-610E	Core i7	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.533 GHz 2,533.33 MHz 2,533,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i7-620LE	Core i7	Arrandale	7 January 2010	25 W 25,000 mW 0.0335 hp 0.025 kW	2 GHz 1,999.99 MHz 1,999,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	266 MHz 0.266 GHz 266,000 KHz	566 MHz 0.566 GHz 566,000 KHz
i7-620LM	Core i7	Arrandale	7 January 2010	25 W 25,000 mW 0.0335 hp 0.025 kW	2 GHz 1,999.99 MHz 1,999,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	266 MHz 0.266 GHz 266,000 KHz	566 MHz 0.566 GHz 566,000 KHz
i7-620M	Core i7	Arrandale	7 January 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.667 GHz 2,666.66 MHz 2,666,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i7-620UE	Core i7	Arrandale	7 January 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.067 GHz 1,066.66 MHz 1,066,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-620UM	Core i7	Arrandale	7 January 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.067 GHz 1,066.66 MHz 1,066,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-640LM	Core i7	Arrandale	7 January 2010	25 W 25,000 mW 0.0335 hp 0.025 kW	2.133 GHz 2,133.33 MHz 2,133,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	266 MHz 0.266 GHz 266,000 KHz	566 MHz 0.566 GHz 566,000 KHz
i7-640M	Core i7	Arrandale	13 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.8 GHz 2,799.99 MHz 2,799,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	766 MHz 0.766 GHz 766,000 KHz
i7-640UM	Core i7	Arrandale	7 January 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-660LM	Core i7	Arrandale	13 September 2010	25 W 25,000 mW 0.0335 hp 0.025 kW	2.267 GHz 2,266.66 MHz 2,266,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	266 MHz 0.266 GHz 266,000 KHz	566 MHz 0.566 GHz 566,000 KHz
i7-660UE	Core i7	Arrandale	15 August 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-660UM	Core i7	Arrandale	7 January 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-680UM	Core i7	Arrandale	27 May 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.467 GHz 1,466.66 MHz 1,466,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	4	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
i7-980X	Core i7EE	Gulftown	16 March 2010	130 W 130,000 mW 0.174 hp 0.13 kW	3.333 GHz 3,333 MHz 3,333,000 kHz	24,576 MiB 25,165,824 KiB 25,769,803,776 B 24 GiB 0.0234 TiB	1	6	12
i7-990X	Core i7EE	Gulftown	13 February 2011	130 W 130,000 mW 0.174 hp 0.13 kW	3.46 GHz 3,460 MHz 3,460,000 kHz	24,576 MiB 25,165,824 KiB 25,769,803,776 B 24 GiB 0.0234 TiB	1	6	12
P6000	Pentium	Arrandale	20 June 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	1.867 GHz 1,866.66 MHz 1,866,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
P6100	Pentium	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2 GHz 1,999.99 MHz 1,999,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
P6200	Pentium	Arrandale	26 September 2010	35 W 35,000 mW 0.0469 hp 0.035 kW	2.133 GHz 2,133.33 MHz 2,133,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
P6300	Pentium	Arrandale	11 January 2011	35 W 35,000 mW 0.0469 hp 0.035 kW	2.267 GHz 2,266.66 MHz 2,266,660 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	500 MHz 0.5 GHz 500,000 KHz	667 MHz 0.667 GHz 667,000 KHz
U5400	Pentium	Arrandale	25 May 2010	18 W 18,000 mW 0.0241 hp 0.018 kW	1.2 GHz 1,199.99 MHz 1,199,990 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
U5600	Pentium	Arrandale	11 January 2011	18 W 18,000 mW 0.0241 hp 0.018 kW	1.333 GHz 1,333.33 MHz 1,333,330 kHz	8,192 MiB 8,388,608 KiB 8,589,934,592 B 8 GiB 0.00781 TiB	1	2	2	HD Graphics (Ironlake)	166 MHz 0.166 GHz 166,000 KHz	500 MHz 0.5 GHz 500,000 KHz
E7-2803	Xeon E7	Westmere EX	5 April 2011	105 W 105,000 mW 0.141 hp 0.105 kW	1.733 GHz 1,733.33 MHz 1,733,330 kHz	1,048,576 MiB 1,073,741,824 KiB 1,099,511,627,776 B 1,024 GiB 1 TiB	2	6	12
Count: 67

codename	Westmere +
name	Westmere +

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All Sandy Westmere Chips