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Can overclock cause this issue?

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  • Overclocking
  • Performance
Last response: in Overclocking
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October 13, 2014 3:03:00 PM

My issue is that sometimes I will get about half or a quarter of my usual performance in games. The problem is always resolved by rebooting the computer. I have not been able to replicate the issue in the 3 weeks its been happening. The issue even persists after a clean windows install and completely updating all drivers and the only thing that has stayed the same is the hardware and the overclock.

More about : overclock issue

a b K Overclocking
October 13, 2014 3:16:55 PM

Yes of course it can. Overclocking does not always guarantee higher performance.
The two likely suspects are heat and the hardware. you want to make sure its not over heating and causing throttling first.

If that is not happening, its likely that you have pushed your hardware too hard and it has been damaged to a point that it cannot be repaired and will likely soon die, or that the hardware itself is just clocked too high and lowering your overclock could potentially fix it.
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October 13, 2014 3:24:30 PM

Temps have never exceeded 60c in real world use, stress tests have gotten mid to high 60s. Overclock is 4.4 GHz at 1.15v. I feel like I could go farther with all the numbers im getting but should I back it off?
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a b K Overclocking
October 13, 2014 3:34:13 PM

Well those temps are really good actually, but you should still drop it down to stock at least for testing purposes. Overclocking is always a kind of inexact thing and while your clock, temps, and voltage seem excellent it sometimes makes the CPU age fast and have problems. For example I'm currently on my 2nd i7-3770k. The first one I used at 4.45Ghz with stock voltage for maybe 6 months, then all of a sudden it blue-screened. I added voltage, worked for a week, the blue-screened. This continued, eventually I lowered to stock clock and and voltage and it still blue-screened. While you aren't getting blue-screens, hardware slowing down can often be seen in aging hardware too.
Also what motherboard do you have? Could be the VRMs are getting hot is the issue instead, that happens some times. If it is them, lowering your voltage will result in the system running at full speed again.
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October 13, 2014 3:42:23 PM

Specs

i5 4670k, Corsair H100i, Gigabyte GA Z87X-D3H, Sapphire Radeon HD 7970
Vapor-X GHz Edition, G. Skill Sniper Series 1866 (2x4 GB), Corsair HX750

Motherboard temps do get into the mid 50s but rarely higher than that.

Ill go murder the overclock now, not that I will be able to see any results today because as I said I havent been able to repeat it once so far.
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Best solution

a b K Overclocking
October 13, 2014 3:50:56 PM

Thats a good system, but the motherboard is a little light on VRMs. It could be the issue. The motherboard temp you are seeing in the mid 50s is the chipset, under the heatsink on the motherboard. For some reason none of the companies ever put a thermal sensor on the VRMs so the only way to check them is with outside sensors. So it is a possibility. Chances are if it is them that its just heat gets built up for a moment causing them to have an issue and the rest is enough to cause it to go away. I suppose you could test them by just letting the PC sit idle for a good 10 minutes next time it happens instead of reseting it, but it still leaves potential that it is a hardware issue.

Give it a few weeks and if it happens even once you can set your overclocks back up. I'm just trying to explore all options. Honestly it sounds more like a software thing but you already reinstalled Windows and all programs so that kinda makes it unlikely.
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October 13, 2014 4:09:03 PM

The way this problem has been happening so far is, I'll get on my computer, watch youtube and derp around forums for an hour or 2, launch a game and get 20 fps. Rebooting has fixed it everytime so far which originally made me think it was a cold boot issue but I have played a game for 2 hours then did light things for a while and had the issue again but never while I was doing anything.

One thing worth noting is that i have watched gpu and cpu usage/ clock rates and they always go up to their max regardless of the frame rate im actually getting. I also used fraps to record frame times and i got a very consistant 20ms between frames, so it was a fairly stable 40 fps but stable 40 doesnt run anything like the stable 100 im used to.
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