Pure processing speed. The Core 2 Duo is about 75% faster then its predecessor. Go to apple.com and click on MacBook Pro to get more information on your question.
Core 2 duo is dual core. And before that was core duo which was dual core too...
core 2 duo will be better.
Core 2 Duo
The Intel Core Duo.
There is no difference between dual core and core 2 duo. Intel just name its recent family of dual core processors as "core 2 duo". Both (core 2 duo and dual core) works in same fashion.
the Intel core 2 quad
Intel core 2 duo
core 2 duo e-series best motherboard
E8500.
´Dual core' just means that there are 2 separate cores in the CPU. Intel has made dual core pentuim 4, core duo and core 2 duo CPUs. ´Core 2 Duo´ is just one type of dual core CPU that Intel has made.
If it is the Mac version of Spore and the Mac has an Intel processor (1.7GHz Core 2 Duo or higher) then the disc will work. If it is a Windows disc then it will not work unless the Mac is running Windows.