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This is probably a super dumb question, but here goes nothing. This is my first time overclocking something and I set my Intel Core i7-4790K at 110.06 MHz in my BIOS (I think this is scaling of some sort?), which resulted in a clock speed of 4403 MHz (it's been running at a flat 4000 MHz before this). When I ran Prime95 the cores were mostly sitting at 78 degrees C with one spike up to 81 degrees for a split second on one core. Normal use has been stable so far and I haven't seen temps like that outside of Prime95. Does that seem OK or did I overdo it?  I figured now was as good a time as any to get off my rear end and overclock it, finally, but I don't want to break anything...
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Sep 24, 2018 23:37
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| # ¿ Apr 26, 2024 03:48 |
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VelociBacon posted:Sounds like you're changing your bus speed or something - try to instead overclock by changing the multiplier - it'll be either 40 or 44 by default which correlates to 4.0GHz or 4.4GHz(I can't remember if the BIOS shows the base or boost clock). What is your cooling solution? Temps under 80 are fine.You want to stay under 1.3v vcore also. You should use some software like HWinfo64 to see your clocks and vcore and show us a screencap if you aren't sure if what you have is safe. I think I messed up some settings at some point in the distant past, because the variable clock speed wasn't enabled and neither was the turbo boost as far as I could tell. After enabling those it seems to vary all the time. There's a good chance I adjusted the wrong thing tbh! I'll go back and reset it to the flat 100.0 it was at and tweak the multiplier instead. I've been using CAM from NZXT to monitor temps and stuff, but I'll grab HWinfo64 instead and do some testing tomorrow. Thanks for the tips so far  Edit: My cooler is a Noctua NH-U12S that I got primarily to look into overclocking a bit, then promptly forgot!
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Sep 24, 2018 23:49
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VelociBacon posted:It sounds to me like you should reset your BIOS to default settings (to undo whatever else you might have hosed up and forgot about) and then set your voltage to manual, something like 1.2v or so, set your multiplier to 44, do some testing and see what you're at for temps and stability. It should be fine but it's good to start low. Next I'd move your multiplier up by 1 until it's not stable in testing and then add voltage in 0.05 increments until it is stable or your temps >80 or you reach 1.28v. That's solid advice! Thank you very much, I'll get on that tomorrow!
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Sep 25, 2018 00:04
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Man there are a couple of the tests in Prime95 that just slam the CPU temp-wise. Did what VelociBacon suggested and reset everything to default and started over. Put the multiplier at 44 to bring it to about 4.4 MHz and the volt down to 1.2 and stress testing with Prime95 varies between like 65C and 70C, then suddenly it spiked to 82C for a couple minutes and now it's back down to 72ish. Is it still "safe" to push the multiplier higher? Part of me thinks that Prime95 is pushing it to higher temps than it would see with normal use, but this is new territory for me so I'm hesitant to push too far.
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Sep 25, 2018 21:07
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Eh, I'm just trying to figure out what I can squeeze out of the system to be honest. I got the 4790K when I built the computer but at that point I didn't really know much about what the difference was between processros, I just went with some recommendations. Figured since I have an overclockable chip I may as well  I'll probably leave it at 4.4 and call it a day, tweak more if the need arises!
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Sep 25, 2018 22:20
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| # ¿ Apr 26, 2024 03:48 |
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VelociBacon posted:What Prime95 test are you actually running? I'm using the blender option after clicking "just benchmarking" or whatever the option was, pretty much just following recommendations after googling it. It was only that one test in prime95 that brought the temps that high, otherwise it was sitting around 70 while still in prime95. Should I be aiming for no spikes over 80 at all?
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Sep 25, 2018 22:52
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