I7-2600k or i5-3570K and general performance

I am currently stuck between these 2 processors. I know they wouldn't make that much difference for gaming, but what is better for other non-gaming tasks? I will over-clock the i5-3570k to 4.2 GHZ but how far could I overclock the i7-2600k? Power isn't an issue, but I have a 612pwm as a cpu cooler so heat is the issue here. The i7 seems like the better choice here, but I will get the i5 if it will be better when overclocked.
Here is my build if you need that info:
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More about 2600k 3570k general performance
  1. It kind of depends on what "non-gaming tasks" you are talking about. The main difference is that the i7 has hyperthreading, but if the applications you are going to be using don't use hyperthreading then you are better off saving a few bucks and going with the i5. The i5 will be slightly faster because of it being Ivy Bridge, but you won't notice it unless you're benchmarking. Also, I have read that the Ivy Bridge get hot when overclocked past a certain point so if heat is a huge problem you might be better off looking at an i5-2500K.
  2. On the ivy bridge, there are a lot more transistors on the same space. This generates more heat, but also more performance. An i5-2500k at 4.8 GHZ is equal to a 3570k at 4.5 ghx
  3. what other non gaming thins will you be doing
  4. devilofdeaths said:
    what other non gaming thins will you be doing

    3ds max to mod games, hd video playback, and microsoft office
  5. Best answer
    then get the 2600K because the hyperthreading in it helps with all of the things you said that you would be doing
  6. Thx for the help.
  7. Best answer selected by jimmy_dog.
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