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 ...
(see Intel microarchitectures). Prior to the i series, the 64-bit Core 2 family ... and based on the existing Pentium M (mobile) architecture, the dual core, 32-bit Core Duo was the first chip ...