I5-3570k vs 2500k

Hey guys, The i5 3570k is $20 dollars more expensive than the 2500k and I had a few questions about it before I made the switch. (If I should make it at all)

1. Is it compatible with a z68 Motherboard with a LGA 1155 socket?

2. How does it compare to the i5 2500k in terms of performance and OC headroom?

3. How will it perform paired up w/a GTX 560 Ti and 8gb of RAM and 875w PSU? Any Bottlenecks?

(Also, if it runs dangerously hotter that the i5-2500k I would like to know that too).

Lastly, Should I make the swtich?

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More about 3570k 2500k
  1. Do you already own the 2500K? If so, definitely not worth it.

    Compared with 2500K, 3570K is slightly (eg about 5%) faster at a given clock speed. But if the reports are to believed it also has slightly less overclocking headroom. Performance is pretty much equal.

    If you are choosing for a new build, I would marginally recommend 3570K but only because it consumes marginally less power and because it is the current generation. 3570K is a straight replacement for the 2500K but in reality, hardly better if at all.

    Yes, it will slot into your z68 mobo but you may need to update the bios.

    In both cases, your 560Ti will be the bottleneck.
  2. For a new build, i would recommend i5 3570k for gaming. Note that you will have to put up with IB heating issues (if overclocked) besides relatively a higher temperature than the SB. You may not be able to overclock the IB processor as much as the SB.

    If you plan to use any existing mobo, please check if it is compatible with IB. If it is, I reckon you need to upgrade the firmware using the existing CPU before replaciing it. If you do not have any z68 mobo, I would recommend a z77.

    BTW, based on your post, you already seems to have a PC with i5 2500K. If yes, you do not gain anything. You may overclock the i5 2500K and wait for Haswell.
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