Intel Core i7

intel Core is a brand name used for various mid-range to high-end consumer and business microprocessors made by intel.

In general, processors sold as Core are more powerful variants of the same processors marketed as entry-level Celeron and Pentium. Similarly, identical or more capable versions of Core processors are also sold as Xeon processors for the server market

Core i7	Bloomfield Lynnfield Gulftown Sandy Bridge	4 4 6 4	45 nm 45 nm 32 nm 32 nm	Nov 2008 Sep 2009 Jul 2010 Jan 2011	Clarksfield Arrandale Sandy Bridge Sandy Bridge	4 2 4 2	45 nm 32 nm 32 nm 32 nm	Sep 2009 Jan 2010 Jan 2011 Feb 2011