4770k can't go over 4.4Ghz

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angelblake

Commendable
Oct 14, 2016
37
0
1,540
Hey guys, I need your help regarding my overclock, I have an i7 4770k but can't go past 4.4Ghz at 1.225v, I have a Gigabyte Z97P-D3, 16Gb of DDR3 1600Mz from Crucial, and a Gigabyte 700w, it seems like it hit a wall, at 4.5Ghz with 1.32v, not stable, I've left the ram at 1.5v and 1600Mhz, the uncore at 4.2Ghz.

The temps aren't that high after delidding it (65°C at 1.225v and 74°C at 1.32v),it and I'm using a Dark Rock Pro 2.

So any help?
 
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I had trouble trying to keep my 4770k stable at 4.5ghz - seems I was up in the 1.28 - 1.29v range. I delidded and it dropped my temps 10-15c but I still didn't want to get to 1.3v. I eventually settled on 4.3ghz at 1.21v, completely stable and good temps. I run some CPU-intensive apps - the difference between 4.5ghz and 4.3ghz was 5 seconds per minute. In a 20-minute run I'd save 100 seconds - I categorize this as a point of diminishing returns in terms of CPU longevity as well as my time to tweak and test...
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c4s2k3

Reputable
Sep 17, 2015
347
0
4,960
Overclock capacity varies widely from CPU to CPU, even if they are the same model. Haswell wasn't particularly great as I understand it. I ran my 4770k @4.5 (all cores) for a while when trying to benchmark a GPU with 3DMark Firestrike. It did ok for the benchmark but wasn't really stable for general gaming use. I was nowhere near 1.3v vcore (don't recall exact voltage), was running my 1600 ram @2000 without de-lidding. I honestly think stable 4.4ghz for a 4770k is pretty good. Going to 4.5 may be possible with a whole lot of effort and the performance gain just isn't worth it for me. I actually dialed back to 4.3 (all cores), 2000mhz ram so I'm not risking damage.
 
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wyliec2

Splendid
Apr 4, 2014
199
32
21,890
I had trouble trying to keep my 4770k stable at 4.5ghz - seems I was up in the 1.28 - 1.29v range. I delidded and it dropped my temps 10-15c but I still didn't want to get to 1.3v. I eventually settled on 4.3ghz at 1.21v, completely stable and good temps. I run some CPU-intensive apps - the difference between 4.5ghz and 4.3ghz was 5 seconds per minute. In a 20-minute run I'd save 100 seconds - I categorize this as a point of diminishing returns in terms of CPU longevity as well as my time to tweak and test...
 
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