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post #19771 of 22140
Quote:
Originally Posted by jdorje View Post

Yeah I've been using 28.7 for a while. Apparently I was using it without realizing it on my g3258 and only doing 1344-1344. It was hot but after delid no problems there even at the motherboard's maximum voltage (lol). But once I realized I was using 28.7 then I swapped down and it was barely different.

However, if you use blend then there might be a big difference.

Maybe with blend but I suspect not. Wanna do the comparison? biggrin.gif Blend isn't something we would use anyhow.
post #19772 of 22140
Comparison of what?

The problem with blend is the temperatures vary randomly over time. You have to sit there for who knows how long babysitting to get a maximum.

Is fft size of 8 the hottest?
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post #19773 of 22140
Quote:
Originally Posted by jdorje View Post

Comparison of what?

The problem with blend is the temperatures vary randomly over time. You have to sit there for who knows how long babysitting to get a maximum.

Is fft size of 8 the hottest?

You take me too seriously biggrin.gif
post #19774 of 22140
Hi Folks - First time posting, First time overclocking...........NEED HELP!!
After lots of reading and watching tons of videos, I have finally decided to over my i5 4690K on GA Z97X UD3H BK motherboard, with Corsair Vengeance Pro Gold 16GB (8x2) 2400

Stock - on Turbo 3.90Ghz @1.139 v

OC - 4.2Ghz
VRIN - 1.800v
VCore - 1.200v
CPU Ring - 1.200v
XMP = Enabled
Manually set Freq - 1600MHz
Manual DRAM Voltage - 1.500V

This setup is stable, with this OC above, full load temps after 30 mins - under 55C

Now I am trying to OC further, but no matter what Vcore voltage I try it not stable at 4.3 or above, am I doing something wrong here? or should I check for other settings? I think I am maybe missing a setting here and there, because it just does not want to OC over 4.2.

I have even tried 4.3 @1.285 vcore but just before 10 mins stress testing in ETU computer just freezes.

4.3 @1.225 - ETU stress test - PC Freeze within 10 mins
4.4 @1.285 - ETU stress test - PC freeze within 10 mins
4.5 @ 1.30 - ETU stress test - PC freeze within 10 mins

Appreciate some advise/suggestions from other members
Please let me know if any other info is required, for further clarification.

Thanks in Advance:thumb:
post #19775 of 22140
Quote:
Originally Posted by giffyy View Post

Hi Folks - First time posting, First time overclocking...........NEED HELP!!
After lots of reading and watching tons of videos, I have finally decided to over my i5 4690K on GA Z97X UD3H BK motherboard, with Corsair Vengeance Pro Gold 16GB (8x2) 2400
Warning: Spoiler! (Click to show)
Stock - on Turbo 3.90Ghz @1.139 v

OC - 4.2Ghz
VRIN - 1.800v
VCore - 1.200v
CPU Ring - 1.200v
XMP = Enabled
Manually set Freq - 1600MHz
Manual DRAM Voltage - 1.500V

This setup is stable, with this OC above, full load temps after 30 mins - under 55C

Now I am trying to OC further, but no matter what Vcore voltage I try it not stable at 4.3 or above, am I doing something wrong here? or should I check for other settings? I think I am maybe missing a setting here and there, because it just does not want to OC over 4.2.

I have even tried 4.3 @1.285 vcore but just before 10 mins stress testing in ETU computer just freezes.

4.3 @1.225 - ETU stress test - PC Freeze within 10 mins
4.4 @1.285 - ETU stress test - PC freeze within 10 mins
4.5 @ 1.30 - ETU stress test - PC freeze within 10 mins

Appreciate some advise/suggestions from other members
Please let me know if any other info is required, for further clarification.

Thanks in Advance:thumb
:

I would suggest posting screenshots of HWiNFO64 with all the sensors showing while a stress test is running. The Guru's will be able to spot things and ask better questions and give better advice.

edit: I just noticed you have 2400Mhz memory, yet you indicate it is at 1600. How did you set your memory timings? Have you tried upping the memory voltage and using the XMP timings? Just curious if this is related.
Edited by Dan-H - 2/5/16 at 9:08pm
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post #19776 of 22140
Lock your uncore at 40x. And reduce uncore voltage if possible.
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post #19777 of 22140
Quote:
Originally Posted by jdorje View Post

Is fft size of 8 the hottest?

Nope, 18k is the best size for the job wink.gif

P.s. On g3258 28.7 is no hotter than ancient 26.6, due to the fact that it neither supports AVX(2) nor FMA3, you just can't cook that one with prime biggrin.gif
Edited by aerotracks - 2/5/16 at 9:26pm
post #19778 of 22140
Quote:
Originally Posted by GeneO View Post

You take me too seriously biggrin.gif

How's this for taking you seriously?

pubchart?oid=1135854953&format=image

All tests done with my current random testing overclock of 4.5/1.25V, 4.5/1.34V, and 2.1V input. The readings are from my mobo power sensor, which is not at all an accurate measurement of wattage since the 2.1V input voltage wrecks it. However it's quite precise and consistent so as a percentage comparison it should be valid. I believe the actual wattage is 20% higher than what's listed (yes that means nearly 180W+ for p95, and that's not at a particularly high overclock).

In most tests the average and maximum power use are the same, but there are exceptions. Most notable is IBT standard which alternates high intensity with basically a few seconds of idle every now and then. If you're on a water cooler then your water temp delta is going to be proportional to the average and your core temp delta will be proportional to the max. But on air your delta will probably just be proportional to the maximum wattage.

cpu_temp = ambient + wattage / cooling

The hottest test I could find is about 50% more powerful than normal full load. That would be the difference from 70-20C and 95-20C. I'd actually expected hotter, strangely.

Had to reinstall XTU for this test and strangely on the "system information" page it lists AVX but not AVX2. But then I looked at CPU-Z and it lists both. Anyone else have this?

Anything else I should test before I lose this overclock?
Edited by jdorje - 2/5/16 at 11:27pm
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post #19779 of 22140
Still using the 4.9GHz CPU 4.4GHz Cache profile (Adaptive vCore + EIST + C-States) with 2400MHz RAM @ 1T (11-13-14-32), had no stability issues smile.gif.

Done no tweaking to it as been doing tweaks to GFX card.
Settings (Click to show)

Ai Overclock Tuner [Auto]->[XMP]
1-Core Ratio Limit [Auto]->[49]
Min. CPU Cache Ratio [Auto]->[44]
Max. CPU Cache Ratio [Auto]->[44]
DRAM Command Rate [2]->[1]
VRM Spread Spectrum [Enabled]->[Disabled]
CPU Core Voltage [Auto]->[Adaptive Mode]
CPU Core Voltage Offset [Auto]->[0.001]
Additional Turbo Mode CPU Core Voltage [Auto]->[1.254]
CPU Cache Voltage [Auto]->[Manual Mode]
CPU Cache Voltage Override [Auto]->[1.100]
CPU Spread Spectrum [Auto]->[Disabled]
SVID Support [Auto]->[Enabled]
CPU C-States [Auto]->[Enabled]

(VCCIN is default 1.856V)

As with previous i5 seen no variation in OC between last 3 or so BIOS updates from Asus for mobo. Really impressed with mobo, has clock up a lot of hours under stress from the 2 chips it's had.
Edited by gupsterg - 2/6/16 at 1:00am
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post #19780 of 22140
Quote:
Originally Posted by aerotracks View Post

Nope, 18k is the best size for the job wink.gif

P.s. On g3258 28.7 is no hotter than ancient 26.6, due to the fact that it neither supports AVX(2) nor FMA3, you just can't cook that one with prime biggrin.gif

Hey smile.gif

I've run Prime95, latest, again today - yeah, using it a bit to test my CPU cooler. I got approx. similar results in both SmallFFTs, 8K and 18K.


My test results:
Warning: Spoiler! (Click to show)



Prime95 settings:
Warning: Spoiler! (Click to show)


The screenshots:
Warning: Spoiler! (Click to show)




@aerotracks, is this how Prime95 should be set when we test? Can you please confirm? FFTs in-place, for 15 minutes?

Thanks! smile.gif
Edited by LostParticle - 2/6/16 at 8:22am
    
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