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i7-4770 (non-K) Overclock

post #1 of 5
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Has anyone tried this yet? I am looking to upgrade to Haswell, but I am very much interested in knowing if if the +4 multiplier is possible with this generation as that would be plenty for me with the heat these things produce (air cooling). How high can you bring the bclk? With the removal of some of the features and the higher price, I don't know if it would be worth it for me to get a "K" SKU.

I mean, I could get lucky with a chip that does 4.6GHz at 1.2v, but if I get a chip of lower quality then I don't see myself going much more than 400MHz above stock anyway.
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post #2 of 5
I would just play it safe and buy the K series chip. Your chances of hitting 4.6GHz are much more sound on one. I believe the non-K processors allow you to raise the bclk to 125.
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post #3 of 5
can't be entirely sure. but according to one source, the +4bins is not implemented across the board i.e:



will be unfortunate if it is true. waiting for other websites to confirm.

source: http://www.hardware.fr/articles/897-6/overclocking-plus-libre-k-plus-strict-par-ailleurs.html (in french) (google translate to english)
Edited by pseudoGin - 6/11/13 at 5:20am
post #4 of 5
In a German article, with the CPU they used in their review with their Z87 board, the most they could do is set the turbo multiplier for three and four active cores to the same multiplier that's for one and two cores at stock settings. They could turn 37, 38, 39, 39 into 39, 39, 39, 39. That's it. With Ivy Bridge, it would have been 41, 42, 43, 43.

This is where it's from: http://ht4u.net/reviews/2013/intel_core_i7_4770_4670_haswell_cpus_test/index18.php

You can't do anything about the BCLK straps. It's fixed to use the 100 MHz strap.
Edited by deepor - 6/11/13 at 8:22am
post #5 of 5
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