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Haswell Overclocking Guide [With Statistics] - Page 615

post #6141 of 19539
Quote:
Originally Posted by jameyscott View Post

Depends on the stress test for what max temps are okay. For P95, 90C is as far as I would go. With something like x264 it's really up to you since it is what you'll be seeing under load. I personally don't want to see above 75C max while under load. That's just me though.

I agree that over 1.45 is probably not safe to run 24/7 but it definitely isn't the max you can go, that's all I was saying.

More questions for all:

1. Do you keep Turbo on while overclocking?
2. To what extent is Uncore worth overclocking (4.5 Ghz/3.5 Uncore vs 4.4 Ghz/3.8 Uncore)?
3. Do UD4H Z87 Gigabyte Mobos not have a way of adjusting VRN Loadline Calibration (3d power menu missing for me in voltage settings)?
4. Safe 24/7 voltages for Vcore/VRIN Override/CPU Vring?
Edited by D2234 - 11/28/13 at 5:11pm
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post #6142 of 19539
Quote:
Originally Posted by creos7 View Post

Based on what research? For which systems? With what OC goals/settings? For what use cases (ie every day, gaming, CAD, video processing, etc)?

I don't think such a statement is possible because it depends on all these factors, the peculiarity of your own system and where the weaknesses emerge, etc. Hardware today is extremely complex and each component is unique. If I see research from someone testing a very broad spectrum of Haswell systems with a very wide range of OCing goals (including core, cache, RAM emphasis or any combination thereof), and compared say the top 5 stress tests, and then further decided on the 'goodness' function being say longest time-to-BSOD in every day use plus X hours a day of these X game titles and X apps (CAD, GIMP, whatever), then I would buy it..

I agree..... you can pass XTU (reported earlier as Prime95 clone) all day long but thro the RealBench Multitasking load at it and things come crumbling down.
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post #6143 of 19539
Quote:
Originally Posted by jrcbandit View Post

Thanks for this info! I am definitely going to try this, I think I am done with Prime95.... I'll probably use a combo of Realbench, X264, and Intel XTU.

BTW, the benchmark function uses the following in it's Real Bench test suite ....

Gimp Image Editing
Handbrake h.264 video compression
Open CL using Luxmark Open CL
Heavy Multitasking (Combination of the above)....
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post #6144 of 19539
Well it definitely lists x264.

- Updated libraries
+ x264 r2273-b3065e6
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post #6145 of 19539
Quote:
Originally Posted by D2234 View Post

1.45 is safest max on air according to Intel is what I am referring to (http://cdn.overclock.net/f/f5/900x900px-LL-f5315882_vku3.jpeg).

Those numbers came from Sin, not from Intel.
post #6146 of 19539
Quote:
Originally Posted by creos7 View Post

Based on what research? For which systems? With what OC goals/settings? For what use cases (ie every day, gaming, CAD, video processing, etc)?

I don't think such a statement is possible because it depends on all these factors, the peculiarity of your own system and where the weaknesses emerge, etc. Hardware today is extremely complex and each component is unique. If I see research from someone testing a very broad spectrum of Haswell systems with a very wide range of OCing goals (including core, cache, RAM emphasis or any combination thereof), and compared say the top 5 stress tests, and then further decided on the 'goodness' function being say longest time-to-BSOD in every day use plus X hours a day of these X game titles and X apps (CAD, GIMP, whatever), then I would buy it.

Otherwise, I don't -- sorry. You are basing this on what your personal feeling is and what you've read and possibly your narrow experience. I'm not aware of anyone doing such extensive testing because it's incredibly time consuming and complicated and somewhat useless (because results will need to be retested constantly with changes to software and hardware).

The best thing is to decide on your PERSONAL battery of tests and use it. But I wouldn't be so brave to make a statement "if i had to use one thing it would be XXX because it covers the most ground and is the most reliable".

You're right, but remember this is from my own personal experience. I am a hardcore gamer, I stream modern games for hours on end. For me if my system is prime95 blend stable, my system is stable, because from my own experience I never have gotten any system crashes if my testing on prime95 blend passed.
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post #6147 of 19539
Quote:
Originally Posted by ImJJames View Post

You're right, but remember this is from my own personal experience. I am a hardcore gamer, I stream modern games for hours on end. For me if my system is prime95 blend stable, my system is stable, because from my own experience I never have gotten any system crashes if my testing on prime95 blend passed.

Ok, this is a fair statement. If you are basing this on your own personal experience using your own personal haswell rig, and your own pattern of playing specific titles, etc, then that's a fair statement and I won't argue with it, I'm sure you're not making it up. But it's still mostly anecdotal coming from a single person. I've read accounts of people saying they've passed Prime95 (or IBT) overnight only to get BSODs in games. Those are obviously also anecdotal. There just isn't a single widely accepted stability test because it just doesn't exist (unfortunately).
post #6148 of 19539
Quote:
Originally Posted by JackNaylorPE View Post

The use of prime 95 on Haswell is shall we say "widely discouraged" by Intel and MoBo manufacturers..... and if ya on Adaptive mode, can be downright suicidal. While the MoBo manufacturer's say ya can go ahead and do it, **if** you use only the manual setting, since I would never run under manual for every day 24/7 use, I don't see the point. Due to the unnecessary heat and noise while under low loads, since I'd never use the system that way, I saw no real value in testing under manual. I frustrate myself enough with the trial and error time investment tuning my system for every day use smile.gif.

While I appreciate that many do enjoy it and I love reading about the results, to invest that time to say "Well I can do 4.7 under a setting (manual) I'll never use again" is just not something I'm willing to invest time in right now. So again, w/ all the manufacturers saying "No AIDA 64, no Prime95, no OCCT", I went looking for something that would stress the system to the point that I could reasonably be assured I won't experience crashes on a routine basis.

JJ recommended RoG RealBench in Asus' Manual Z87 Overclocking Guide on Youtube and I followed the threads on the RoG Forum a bit before trying. I even asked how folks found it compared to the "ole standards" and the responses both public and private were favorable, basically indicating that if ya "can pass RoG RealBench, you system is likely to handle anything ya can throw at it. This will be a production box (CAD) ....with off hours gaming fun on occassion of course:) ........... and I haven't been able to make it stumble as yet with the settings I obtained running RealBench

If ya wanna give it a try.

http://www.necrosan.com/rog/RealBench/RealBench_v2.0b10_RC6_public_beta.rar
It has both benchmarking and stress testing mode.

BTW, the benchmark function uses the following in it's test suite ....

Gimp Image Editing
Handbrake h.264 video compression
Open CL using Luxmark Open CL
Heavy Multitasking (Combination of the above)....

Stress test applies a very high multi-tasking load.... way more then benchmark setting .... if ya gonna crash, the tough part comes at 12-15 minute marks.
I was more interested the "no reductions in any settings" group ..... in how many have it running all out (at same frequency)

Is any part of that bench synthetic? I'm still a noob when it comes to tell the difference here.
post #6149 of 19539
I use a combination of Realbench and x264 if they pass i throw in a few hours of BF4
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post #6150 of 19539
Quote:
Originally Posted by OutlawII View Post

I use a combination of Realbench and x264 if they pass i throw in a few hours of BF4

Yeah, I'm looking for something now. I thought my 4.3ghz was completely stable. Passed x264 and xtu for 9 hours. Got a bsod tonight x0124, out of no where.. I had a few tabs open on the internet and looking through some system files, then it came. I'm about to say to hell with overclocking this thing. Especially since I was working on 4.4 and eventually gave up on that. Hence why I haven't had anything to chart yet.

But the question was, is any part of that real bench synthetic?
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