Core 2 Duo vs. Core 2 Quad?

waterprism

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Would appreciate your thoughts, guys, because I'm getting information overload on this :)

Which of the following processor/setups do you guys think is better? Both are in my price range and both happen to be in my exact PC of choice at two different retailers.

The one is an Intel Core 2 Duo E7600 at 3.06ghz and a 3mb cache with 2GB DDR2.

The other is an Intel Core 2 Quad Q8400 at 2.66ghz and a 4mb cache with 2GB DDR2.

The computer will mainly be used for typical day-to-day applications, watching online videos and the like, a bit of gaming, and then probably some video creation work.

I've looked at quite a few benchmarks and I'm left a bit confused. These benchmarks were pretty old but seemed to suggest (at the time) that the Core 2 Duo was performing better overall than the quads of the time, especially for day-to-day applications. Those benchmarks seemed to suggest that the Core 2 Duo did better at lots-of-programs-open-at-the-same-time kind of stuff and the quads did better at more labor-intensive kind of stuff. Since then, more recent benchmarks put the Core 2 Quad Q8400 way above the Duo obviously, but to me anyway, the more recent benchmarks focus more on the bruteforce type of stuff.

Since the computer will be used for a bit of both kinds of things - application intensive and labor intensive - I'm a bit info overloaded on this and would appreciate your thoughts. As I'm upgrading from a P3 that's dying at 599Mhz :), I really want plain sailing from here on out and want to make an informed choice.
 
I'd say go for the quad. The Core 2 Duo is great but the Quad is just a better buy, especially if you're gonna be doing video work.
 
Depending on how the applications are optimized the Duo might be faster. Generally the Quad is always going to be the winner in a multitasking environment.
I have quad cores and all the cores are used all the time, meaning that if I really push it then its going to be able to do a lot more stuff than a duo... even though the duo's are faster processors.
Also if you clock the quad (even by a bit) its going to murder a clocked duo, so to me its the more future proof one.

It also depends on the OS, you need to use Vista or even better win7. XP does support 4 cores but the newer OS's really know how to use them. Even between Vista and 7 there is a wold of difference.
 
The Core2Quad 8400 outperform the Core2Duo 7600 by quite a lot.

Look here:
http://www.cpubenchmark.net/cpu_lookup.php?cpu=Intel+Core2+Duo+E7600+@+3.06GHz
http://www.cpubenchmark.net/cpu_lookup.php?cpu=Intel+Core2+Quad+Q8400+@+2.66GHz


If you have the extra cash, go for the Core2Quad. The Core i5 661 is also slower than the Core2Dou E6700 (look on the links above), but the i5 750 is much faster than the Core2Quad 8400. So, depending on your budget, if you can't afford the ir 750, then rather go for the C2Q 8400
 
Thanks, guys. I guess I'm going to go for the Quad. It's Win7 and there will be some video work and those benchmarks (thanks, Rudi) are pretty clear... so it's pretty clear. Thanks for your thoughts.
 
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