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[Official] Delidded Club / Guide - Page 1354

post #13531 of 33695
Quote:
Originally Posted by snowfree52 View Post

I still don't understand how I could gain some mhz after delidd ? Can someone explain ? redface.gif

It is very simple:

Let's just say FOR EXAMPLE:
I am at 4.5ghz with 1.35v and my max temp is 95c

Meaning I can't increase my OC (without increasing vcore) - as temps are at a max

I de-lid and then:
I am at 4.5ghz with 1.35v and my max temp is now 75c

This has now given me an EXTRA 20c headroom to play with.

So I go to 1.5v and now have a max temp of 95c BUT at 5ghz
0.5ghz gained

Does that make sense smile.gif?
post #13532 of 33695
Well my thoughts of why i got the best rads and such were this...

Re use value i will be able to do this with every system for many years to come.

The Monsta rads are inner chambers all copper and outter steel they should last near forever.

Last pic i took still waiting on 1 7950.



Edited by Hokies83 - 3/11/13 at 3:43pm
    
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post #13533 of 33695
yes this I know, but that doesn't apply to me, does it ?

I'm just around 70-75°C at 4,8ghz and 1,45V.
Therefore I'm not limited by temps, but by V core

I don't want to jeopardize my CPU for 200Mhz , I really would like to run 5Ghz though rolleyes.gif
Edited by snowfree52 - 3/11/13 at 3:47pm
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post #13534 of 33695
I do want to get at least one of those monster rads. My cheapo paper thin swiftech rads are functional but one of those monsters is like 4 of them combined...
    
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post #13535 of 33695
There was a 480 UT 60 at PPS that had some loose solder flux in it they were asking 99$ for. The performance of the ut60 and monsta are almost the same monsta just has more epeen./options

And remember check out my build log and post a comment it bumps my build log! thumb.gif
    
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post #13536 of 33695
Quote:
Originally Posted by snowfree52 View Post

I still don't understand how I could gain some mhz after delidd ? Can someone explain ? redface.gif

When you have a good chip, you need to push over 1.45v to really get the higher overclocks it's possible capable of. You actually need a GREAT chip to do ~5ghz@1.45-1.55v. If you have a golden chip you can do 5ghz without delidding possibly on a good water loop or high end air but that's talking like the best out of thousands.

Why have a water loop if you aren't going to push high voltages? Generally, people say 1.45-1.5v is the max for a delidded IB provided your temps are okay, but you can push from 1.5-1.6v if your temps are good. Be aware that 1.5-1.6v is quite dangerous, and if your cooling isn't up to snuff you'll do damage, and pushing around 1.55, 1.6v, is really getting into extreme voltages. So far there have been no reports of damage or degradation at even as high at 1.6v for 24/7 overclocks, but there are less than a dozen people who are really doing that.

Your current chip sounds terrible though, it doesn't sound like it's worth delidding. Sell it, use the money to get a new one, or exchange it, whatever. More than 50% of ivies can only do 4.5-4.6ghz on less than 1.45v, so don't feel bad.

Delidding can allow people to push higher overclocks if they have a good chip. Without delidding, it's impossible to really push far past 1.3v unless you have a custom water loop (i dont need to tell you how expensive those are). And no one has ever done anything above 4.7ghz on 1.3v or less, so to reach the higher ranges on ivy you have to delid. Even with a custom water loop, you are not going to be able to push far past 1.45v+, which is really a necessity for 5ghz (unless you got a golden chip).

Delidding has allowed me to push 5ghz@1.488v, and this is a great chip so it was worth delidding, otherwise on my nh-d14 cooling I'd only be able to do maybe 4.7ghz, and my temps would be even higher than what my 5ghz is when delidded. It may even be possible for me to push 5.1ghz on ~1.54v. On my last ivy, which is 24 hour prime95 stable at 4.6ghz @ 1.42v, the chip was terrible and delidding it wouldnt matter because temps werent the problem, stability was (or voltage, if you want to get down to it, and no I will not run a 4.7ghz on 1.55v at 90*C+, that's just not worth it).

your temps sound fine so you sound okay to run maybe up to 1.5v, but the problem is that running 1.5v on your $200+ custom water loop is going to have higher temps than me at 5.1ghz@1.55v. But your chip is definitely not worth pushing that much voltage through, nor is it worth delidding. You are having trouble just booting. For me there is about a .3-.4v difference in what I can boot, and what is 24 hour prime95 stable. So if you can't even boot 5ghz@1.5v, I'm pretty sure you'd need like 1.8v to be stable at 5ghz and that is just not going to happen lol...
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post #13537 of 33695
Quote:
Originally Posted by snowfree52 View Post

yes this I know, but that doesn't apply to me, does it ?

I'm just around 70-75°C at 4,8ghz and 1,45V.
Therefore I'm not limited by temps, but by V core

I don't want to jeopardize my CPU for 200Mhz , I really would like to run 5Ghz though rolleyes.gif

Not really no.
You could increase vcore more, and as long as you're oin IB and under 105c / 95c for safety, you'll be fine.

Question you'll have to ask yourself is about degradation at such high voltages - why do you need more mhz? and more so, why are you t such a high vcore/clock?
de-lidding won't help you as such, nor will be useful in your respect.
Although, I've never really seen 1.45v run at 75c under load (by load I mean folding and/or prime)
post #13538 of 33695
Quote:
Originally Posted by snowfree52 View Post

I still don't understand how I could gain some mhz after delidd ? Can someone explain ? redface.gif
Adding to what the others have said above, reduced heat will also allow ivy bridge to run at a slightly lower voltage for a corresponding frequency. There is a good explanation of the relationship between voltage, temperature and frequency at http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end.
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post #13539 of 33695
^^^ +1 - with extra cooling like LN2 or Liquid Helium, your chip would run 6 GHz +....not practical for 'normal' operations, but it does underscore that with extra cooling comes more potential speed. Delidding + LM is a step in the right direction
post #13540 of 33695
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