So I've heard that the Celeron processors are worse than Pentium processors, is this true? Basically I got a 'new old' computer with a 2.8 GHZ Celeron processor, and my older one has a 1.5 or 1.6 Pentium 4. I'm pretty sure Celerons have a smaller cache and I think I figured out what that is, but does it make that much of a difference with this big of a speed difference?