Note that Core Duo and Core 2 Duo chips are not the same (see Intel Core). The Core Solo CPU was a single-core version of the Core Duo. Dual core chips rejected in manufacturing were turned into ...

The Vostro 220, with a starting price of $319, is built with Intel Core 2 Duo E7200 CPU at 2.53 GHz and 4 GB of RAM; the Vostro 220 S (and the 'S' stands for 'slim'), with a starting price of $379 ...

(see Intel microarchitectures). Prior to the i series, the 64-bit Core 2 family, introduced in mid-2006, was a major departure from the previous Core Duo chips. Using the Penryn microarchitecture ...