Is there a noticable difference between G5 and Intel Core 2 Duo-processor?

Just wondering...
I have a G5 iMac and came across the Intel Core 2 Duo-processor 24" 2.66GHz. Will I notice a big difference between these 2 models?
André

I swapped from a G5 2.1MHz iSight with 2.5GB RAM to 2009 iMac 24" 2.66 MHz with 4GB of DDR3.
The difference was HUGE.
Now with Snow Leopard as well things have only got faster (or appear to at least)
The whole system is more responsive, less spinning beach ball and rendering a 40 minute TV programme to MP4 only takes about 2 minutes!
I used to have time to make a cup of coffee and catch the news headlines!
Enjoy the new machine.

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Check out these links.
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Is there a noticable difference between2.3 ghz, 2,6ghz and 2.7ghz. and is it worth paying to upgrade from 2.3ghz to a higher amount of ghz

is there a noticable difference between 2.3ghz, 2.6ghz and 2.7ghz and is it worth the upgrade to a higher amout of ghz

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Is there a noticable difference between G5 and Intel Core 2 Duo-processor?

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