Intel Core 2

Intel Core 2 is the processor family encompassing a range of Intel's consumer 64-bit x86-64 single-, dual-, and quad-core microprocessors based on the Core microarchitecture. The single- and dual-core models are single-die, whereas the quad-core models comprise two dies, each containing two cores, packaged in a multi-chip module. The Core 2 range was the last flagship range of Intel desktop processors to use a front-side bus. The introduction of Core 2 relegated the Pentium brand to the mid-range market, and reunified laptop and desktop CPU lines for marketing purposes under the same product name, which were formerly divided into the Pentium 4, Pentium D, and Pentium M brands. The Core 2 processor line was introduced on July 27, 2006, comprising the Duo (dual-core) and Extreme (dual- or quad-core CPUs for enthusiasts), and in 2007, the Quad (quad-core) and Solo (single-core) sub-brands. Intel Core 2 processors with vPro technology (designed for businesses) include the dual-core and quad-core branches. Although Woodcrest processors are also based on the Core architecture, they are available under the Xeon brand. From December 2006, all Core 2 Duo processors were manufactured from 300 millimeter plates at Fab 12 factory in Arizona and at Fab 24-2 in County Kildare, Ireland. Core 2 and other LGA 775 processors can support virtualization if the virtual machine (VM) software supports those processors, e.g. if the processor supports VT-x. Newer versions of VM software do not support processors older than Nehalem (Core 2 and older) because they lack support for Intel VT-x with Extended Page Tables (EPT), also called Second Level Address Translation (SLAT). The Core 2-branded CPUs include: Conroe/Allendale (dual-core for desktops), Merom (dual-core for laptops), Merom-L (single-core for laptops), Kentsfield (quad-core for desktops), and the updated variants named Wolfdale (dual-core for desktops), Penryn (dual-core for laptops) and Yorkfield (quad-core for desktops).

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