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Haswell Overclocking Guide [With Statistics] - Page 1912

post #19111 of 19603
Quote:
Originally Posted by boomerzangs View Post

Yeah. I've tried stepping it up. Then I tried setting it to 2.15 in frustration at a high vcore. Nothin. But my temps are pushing 90C without even settling into the test so I'm done until I can get it into the loop. Right now I'm looking into playing with RAM settings. In the Devil's Canyon Owners Thread, I was talking with a guy who was able to drop vcore by fiddling with RAM timings. But he was able to figure out the actual RAM chips or controller or something and then find the guides for voltages and timings that chip or controller liked. So I gotta dig. I don't how that works with the whole voltage wall thing.

I will say both with my 4690k and now the 4790k I don't think I was ever able to get stable clocks with vcore above 1.4 (on air mind you) when the temp were pushing 90 during the stress testing.

You're hitting thermal walls, the hotter your chip gets the more volts you need to keep stable, if you find out how this guy dropped VCORE by tightening his timings then give me the information too because that hasn't worked for me, sounds like his ram might be faulty. Trust me.



I run 2400mhz 11-12-12-28-1 24/7 and it didn't help me drop my vcore at all tbh.
Edited by Benjiw - 8/11/16 at 2:58am
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post #19112 of 19603
Double post, drat! mad.gif
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post #19113 of 19603
Quote:
Originally Posted by boomerzangs View Post

This can be a very tedious and time consuming process.
Yeah! : D

Oh btw, turbo info here https://rog.asus.com/12802014/overclocking/5ghz-4670k-4770k-overclocking-guide-on-maximus-vi-formula/ The guy is able to maintain x50 on 2 cores. I do remember seeing that option on a rog extreme-z board, but I don't remember that one on my msi gaming 5 board.
That could be interesting for general app performance like cad
Quote:
Originally Posted by Benjiw View Post

I would love 5ghz too but the voltage wall for me at 4.8ghz is too much, I'd need exotic cooling like phase or a TEC to bring the temps and resistance down to lower the volts.
Speaking about TEC, have you got a specific model in mind? I'm wondering if the total W of the TEC should be 3 times the W of cpu load. Which then translate, roughly how much squares of fans do you need for a WC?

This guide doesn't give a strict answer, I'm looking for a chart for 150W-180W
http://www.heatsink-guide.com/content.php?content=peltierinfo-4.shtml




I don't own WC now, thermal paste seems to have moved so I can't do further testing except planning deliding this way
https://forums.overclockers.co.uk/showthread.php?s=3e09c52f696540d8dbd786bbf64ebb03&t=18605867
or this way http://www.pcper.com/reviews/Cases-and-Cooling/Delidding-your-Intel-Haswell-CPU/Vise-Method-Step-Step
post #19114 of 19603
Quote:
Originally Posted by Benjiw View Post

You're hitting thermal walls, the hotter your chip gets the more volts you need to keep stable, if you find out how this guy dropped VCORE by tightening his timings then give me the information too because that hasn't worked for me, sounds like his ram might be faulty. Trust me.



I run 2400mhz 11-12-12-28-1 24/7 and it didn't help me drop my vcore at all tbh.

it was recently in the Devil's Canyon Owners Thread on here. He was overclocking and ram. I think it had to do with applying timings that the chips had been shown to like. Dropped something like 30mV on his vcore. I have to dig into my system to find the serial number of my RAM to get an idea. Apparently G skill codes that info into their serial numbers. He got the info from a database from here: http://i4memory.com/showthread.php?t=8426. I think you need to be a member to see it though.

Here is the thread that he was talking about it: http://www.overclock.net/t/1490324/the-intel-devils-canyon-owners-club/21030_30. Of course it was only one person's result so its not solid evidence that its going to work for me or anyone else. But it'd be interesting to try and see if its actually a thing.
post #19115 of 19603
Quote:
Originally Posted by porco116 View Post

Oh btw, turbo info here https://rog.asus.com/12802014/overclocking/5ghz-4670k-4770k-overclocking-guide-on-maximus-vi-formula/ The guy is able to maintain x50 on 2 cores. I do remember seeing that option on a rog extreme-z board, but I don't remember that one on my msi gaming 5 board.
That could be interesting for general app performance like cad

I do have that option on my board I think too (gigabyte z97 SOC force). I currently run with turbo disabled. I will have to experiment with that feature. Gotta get done with summer classes before I can sit down and get at it again. I'm excited to try using the multimeter so that I can sort out actual voltages. I got the whole trial spreadsheet going, so I'm ready to do this systematically biggrin.gif
post #19116 of 19603
On most overclocks i can set the 1 core turbo 1 multiplier above the regular overclock. For example 46x on 1.29V but the 1 core turbo is 47x. Kinda hard to verify stability - simply booting with 1 core active, 47x, 1.29V is a start, but passing that isn't a guarantee of stability as any of the 4 cores could be the one turbo uses. Still i don't think i ever got an crash on it; it would never use that clock under sustained heavy load after all. All this is with fixed voltage.

In theory you can do a per core overclock using all four turbo values and adaptive voltage. But you need the adaptive curve to be rational such that a single offset will work for all four clock levels. Seems like a complete waste of time on most chips. Including mine where the adaptive curve is flat above 4 ghz.
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post #19117 of 19603
Quote:
Originally Posted by boomerzangs View Post

it was recently in the Devil's Canyon Owners Thread on here. He was overclocking and ram. I think it had to do with applying timings that the chips had been shown to like. Dropped something like 30mV on his vcore. I have to dig into my system to find the serial number of my RAM to get an idea. Apparently G skill codes that info into their serial numbers. He got the info from a database from here: http://i4memory.com/showthread.php?t=8426. I think you need to be a member to see it though.

Here is the thread that he was talking about it: http://www.overclock.net/t/1490324/the-intel-devils-canyon-owners-club/21030_30. Of course it was only one person's result so its not solid evidence that its going to work for me or anyone else. But it'd be interesting to try and see if its actually a thing.

Could of been a placebo, he could of been fluffing his memory voltages etc causing him to need more vcore (or believe to need more vcore when in fact it wasn't needed).
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post #19118 of 19603
Getting a 4670K next week. Bought it from a folder who never used it. New in box.

Will be fun to see what it can do! smile.gif

Hopefully I can run 4000 at stock voltage or less. Will play with it once it gets here.

By the way, should I delid the CPU or just keep it as it is?

It will be used for folding and lan pc with an 980Ti @1500 I had before. smile.gif Decent secondary gaming rig.
Edited by GreedyMuffin - 8/13/16 at 12:20pm
post #19119 of 19603
Quote:
Originally Posted by GreedyMuffin View Post

Getting a 4670K next week. Bought it from a folder who never used it. New in box.

Will be fun to see what it can do! smile.gif

Hopefully I can run 4000 at stock voltage or less. Will play with it once it gets here.

By the way, should I delid the CPU or just keep it as it is?

It will be used for folding and lan pc with an 980Ti @1500 I had before. smile.gif Decent secondary gaming rig.
If you're not going to push the chip to the max clocks then you're wasting your time delidding.
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post #19120 of 19603
Quote:
Originally Posted by GreedyMuffin View Post

Getting a 4670K next week. Bought it from a folder who never used it. New in box.

Will be fun to see what it can do! smile.gif

Hopefully I can run 4000 at stock voltage or less. Will play with it once it gets here.

By the way, should I delid the CPU or just keep it as it is?

It will be used for folding and lan pc with an 980Ti @1500 I had before. smile.gif Decent secondary gaming rig.

Why don't push it higher? I mean paired with a 980Ti and used for folding..
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