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post #18661 of 22487
Quote:
Originally Posted by madcrafted1978 View Post

I can't seem to break 4600 MHz with my chip, even with a h100i running in performance mode. I can pass IBT (very high) running 4700 MHz but temps climb to 88c @ 1.275v. As soon as I switch to "maximum" setting on IBT after 3 test or 15 minutes....it shuts down. I don't feel comfortable bumping voltage with these temps. So I drop back down to 4600 @1.225v. Temps will get no higher than 78C and I can run IBT on max for hours.

I just feel like there is more to squeeze out of this chip. I'm still trying to figure out BIOS config. After coming from an older AMD FM1 socket just a couple of weeks ago, I am overwhelmed with all these BIOS settings.

So far I've disabled C-state, EIST and Dynamic mode. (I remember this from old days). I set my CPU voltage control to "Override", VCCIN set to 1.825. Using XMP for my RAM, as it is very compatible with Intel. Everything else is defaulted. I haven't played with Cache voltage/speed yet.

There seems to be a big jump in power requirement just bumping CPU speeds 100MHZ when going from 4.6 to 4.7. I can't imagine how hot she'll run trying for 4800MHz.

A few suggestions:

1) Complete your sig_rig: place your components in your signature [Edit: okay, already done]
2) Use the x264 V2 test. You can find it here.
3) Read the first post of this thread and also this one.
4) When you are referring to temperatures, voltages or other values it always best to post a screenshot from the monitoring tool you are getting these values from. The best monitoring tool available is HWiNFO64. Always use the latest beta. Hide / Disable monitoring of the arbitrary, erratic, values your motherboard (eventually) feeds it with.

I don't think that you should disable EIST.
Edited by LostParticle - 11/6/15 at 9:19am
    
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post #18662 of 22487
Quote:
Originally Posted by madcrafted1978 View Post

I can't seem to break 4600 MHz with my chip, even with a h100i running in performance mode. I can pass IBT (very high) running 4700 MHz but temps climb to 88c @ 1.275v. As soon as I switch to "maximum" setting on IBT after 3 test or 15 minutes....it shuts down. I don't feel comfortable bumping voltage with these temps. So I drop back down to 4600 @1.225v. Temps will get no higher than 78C and I can run IBT on max for hours.

I just feel like there is more to squeeze out of this chip. I'm still trying to figure out BIOS config. After coming from an older AMD FM1 socket just a couple of weeks ago, I am overwhelmed with all these BIOS settings.

So far I've disabled C-state, EIST and Dynamic mode. (I remember this from old days). I set my CPU voltage control to "Override", VCCIN set to 1.825. Using XMP for my RAM, as it is very compatible with Intel. Everything else is defaulted. I haven't played with Cache voltage/speed yet.

There seems to be a big jump in power requirement just bumping CPU speeds 100MHZ when going from 4.6 to 4.7. I can't imagine how hot she'll run trying for 4800MHz.




Delid and use gaming for stress testing and benchmark + some ligh stress test.

My 4790k can stay under 90c with 4.9ghz 1.375v on a stupids h75 with 18-20c ambient

Well if the case side is open since 2 7950 do output heat like mad


Probably 75-80c Under 100% load
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post #18663 of 22487
Quote:
Originally Posted by LostParticle View Post

A few suggestions:

1) Complete your sig_rig: place your components in your signature [Edit: okay, already done]
2) Use the x264 V2 test. You can find it here.
3) Read the first post of this thread and also this one.
4) When you are referring to temperatures, voltages or other values it always best to post a screenshot from the monitoring tool you are getting these values from. The best monitoring tool available is HWiNFO64. Always use the latest beta. Hide / Disable monitoring of the arbitrary, erratic, values your motherboard (eventually) feeds it with.

I don't think that you should disable EIST.


Thank you for your response. I should have mentioned the monitoring test, which is RealTemp v 3.7. I will take some screenshots next time and post back. Why should I choose x264 V2 over IBT? I used to use prime95 with my previous build but was told IBT was better for this particular processor. Although I tried prime 95 anyways, but 2 threads(workers) didn't want to start. I tried Intel's Extreme Tuning Utility's stress test, but I didn't feel it really pushed the limits like IBT does. IETU stress test never went over 68C.

As for reading the first post of this thread, I did that initially before posting, where it mentions turning off all power saving features, EIST included.
post #18664 of 22487
Quote:
Originally Posted by sirleeofroy View Post

Ah yes, Temps... Of course!!

I did an hour run in XTU and it never went over 65 degrees C (it was higher before I realised my pump wasn't running 100%)

22 degrees C ambient

Edit: Just thought, comparing your temps to mine, yours seem quite high or mine are low?!? I will be doing some thorough testing this weekend and I'll log everything and put it up here and see what you guys think as it's been a long time since I overclocked.....

I think mine are high, but i still working on my modest Seidon 120XL Modding, i know that can´t compare with a high end water system, but however the temps on my region are high, so it´s a fight constant.

Fan at high rpm = lots of dust..!!! devil.gif
post #18665 of 22487
Quote:
Originally Posted by madcrafted1978 View Post

I can't seem to break 4600 MHz with my chip, even with a h100i running in performance mode. I can pass IBT (very high) running 4700 MHz but temps climb to 88c @ 1.275v. As soon as I switch to "maximum" setting on IBT after 3 test or 15 minutes....it shuts down. I don't feel comfortable bumping voltage with these temps. So I drop back down to 4600 @1.225v. Temps will get no higher than 78C and I can run IBT on max for hours.

I just feel like there is more to squeeze out of this chip. I'm still trying to figure out BIOS config. After coming from an older AMD FM1 socket just a couple of weeks ago, I am overwhelmed with all these BIOS settings.

So far I've disabled C-state, EIST and Dynamic mode. (I remember this from old days). I set my CPU voltage control to "Override", VCCIN set to 1.825. Using XMP for my RAM, as it is very compatible with Intel. Everything else is defaulted. I haven't played with Cache voltage/speed yet.

There seems to be a big jump in power requirement just bumping CPU speeds 100MHZ when going from 4.6 to 4.7. I can't imagine how hot she'll run trying for 4800MHz.

Make sure cache isn't on auto.

Use a cooler stress test.

Read darkwizzie's haswell guide.
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post #18666 of 22487
Quote:
Originally Posted by bonami2 View Post

Delid and use gaming for stress testing and benchmark + some ligh stress test.

My 4790k can stay under 90c with 4.9ghz 1.375v on a stupids h75 with 18-20c ambient

Well if the case side is open since 2 7950 do output heat like mad


Probably 75-80c Under 100% load

De-lidding isn't something I'm comfortable with doing, especially on a processor less than two weeks old.

I do use gaming to stress out my GPU because synthetic benchmarks like Heaven never really seemed relevant to actual gameplay, IMO. I have passed Heaven benchmark tests running on loops all night just to find my overclock wasn't stable 15 minutes into Witcher 3.
post #18667 of 22487
Quote:
Originally Posted by madcrafted1978 View Post

De-lidding isn't something I'm comfortable with doing, especially on a processor less than two weeks old.

I do use gaming to stress out my GPU because synthetic benchmarks like Heaven never really seemed relevant to actual gameplay, IMO. I have passed Heaven benchmark tests running on loops all night just to find my overclock wasn't stable 15 minutes into Witcher 3.


The best gpu test i found is occt gpu error testing. It run hot as hell but at least it take 30 second and error start to pop if it had any smile.gif
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post #18668 of 22487
Quote:
Originally Posted by madcrafted1978 View Post

Thank you for your response. I should have mentioned the monitoring test, which is RealTemp v 3.7. I will take some screenshots next time and post back. Why should I choose x264 V2 over IBT? I used to use prime95 with my previous build but was told IBT was better for this particular processor. Although I tried prime 95 anyways, but 2 threads(workers) didn't want to start. I tried Intel's Extreme Tuning Utility's stress test, but I didn't feel it really pushed the limits like IBT does. IETU stress test never went over 68C.

As for reading the first post of this thread, I did that initially before posting, where it mentions turning off all power saving features, EIST included.

As I understand it, there is a misconception about stressing and heat. You don't need to cook your chip to stress test. IBT(Linpack) and P95 run hot and the heat may be an added issue to your instability. If you can run a cooler stress test for a little longer, you effectively do the same amount of stress testing, but verify that you are not crashing as a product of heat. I used to run P95 because I thought that if I maxed out the stress, I would eliminate the need to run a longer test, but all it did was overheat my chip before I could do a long stress. I use Realbench (x264) and OCCT now. Cooler temps, but totally stable at settings that would crash with prime95 and linpack due to temps.
post #18669 of 22487
Quote:
Originally Posted by madcrafted1978 View Post


....

Why should I choose x264 V2 over IBT? I used to use prime95 with my previous build...

...

Yeah... I used to run Prime95, as well, and I was really enjoying it! It was one year and a half ago, when I was still using my AMD FX-8350. I remember myself waking up in the morning and feeling so good that an 8 or 9 hour blend test with 75-80% RAM was still running and the Core Temperature was not over 60C. Exactly as the guides suggested!

When I switched to Intel I forgot about Prime95 after a day or two. Surely, you can use an earlier version or even disable AVX and/or FMA3 instruction sets with a couple of commands on a .txt file. Not sure if there's a point so I don't bother. The x264 V2 with the latest binaries is good enough for me. Just a personal and subjective opinion, here. You can do whatever you desire with your system.

And one word about RealTemp... I fully respect the fact that you're probably used to this monitoring tool. Here is a screenshot of my HWiNFO64, customized according to my personal preferences and running as we speak:
Warning: Spoiler! (Click to show)

- Can RealTemp provide all this Wealth of information? Looking at my screenshot you can immediately realize almost exactly what is going on in my system, and understand almost all of my current settings! Can RealTemp provide such critical information? I do not think so. This is why HWiNFO64 is the recommended monitoring tool.
Edited by LostParticle - 11/6/15 at 11:02am
    
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post #18670 of 22487
Prime95 does detect instability like a god. If you use version 27.9, custom 1344-1344 size, in place, it will only be 5-10c hotter than x264. I use this for lower level overclocks to make the stressing faster.

X264 is better than linpack/xtu/IBT for finding instability.

Supposedly for every 10c hotter your chip is you need .03v more vcore. Other than that, temps and stability are completely independent.

If you are going over 80-85c in stress testing you are doing something wrong. Lowering the life of your cpu just because you're lazy in overclocking is a bad choice. Use a cooler stress test or find some way to lower your temps.
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