Can you tell me the difference between these imacs?

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Hi I am kind of new to this, and I kind of get the difference, but not really?

So I am looking at these two iMacs.

This one:

Refurbished iMac 21.5-inch 2.7GHz Quad-Core Intel Core i5 - Apple Store (U.S.)

And this one:

Refurbished iMac 21.5-inch 3.6GHz Intel Core i5 processor - Apple Store (U.S.)

To me the one from 2011 is better, though it a slower processor it is a quad core, and the other one from 2010 is just a intel core.
The 2011 model also does have a hd camera built in and it also has a better graphics card.

But what I am asking is, what is the difference between a quad core intel i5 2.7 ghz and a intel intle i5 3.6ghz, and what one is faster?
 

chscag

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Buy the 2011 model. You can check the official benchmarks at MacWorld and you'll see it easily outperforms the 2010 model in speed and graphics.
 
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Get the 2011 model. It is much faster then the 2010 one.
 
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Buy the 2011 version. I did and made the right choice. It is very fast and no issues whatsoever. Just a learning curve moving from the PC to Mac :)
 
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Buy the 2011 version. I did and made the right choice. It is very fast and no issues whatsoever. Just a learning curve moving from the PC to Mac :)

I just got the 2011 Quad Core 27" i5 and it's way faster than my 2008 24" Core 2 duo. Plus it will take 16GB's RAM plus.:) It runs FCP.
 
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21.5"iMac quad core 2.5
You will cherish your decision if you choose the quad-core iMac.
 
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2011 iMacs use SandyBridge processors, which are a big improvement over the prior version. I still don't understand why Intel didn't re-brand them. Instead they used i3, i5 and i7, even though the old and new are very different.
 

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