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Haswell Overclocking Guide [With Statistics] - Page 475

post #4741 of 19540
Ha! Wow... you can tell that me posting late in the morning isn't such a good idea! lol Thanks for pointing that out.. wowow that's really bad of me.. Sorry for the mis information!

But other than that improper figure, the rest is still true. smile.gif

Thanks
post #4742 of 19540
Thread Starter 
Quote:
Originally Posted by imaghost03214 View Post

Ha! Wow... you can tell that me posting late in the morning isn't such a good idea! lol Thanks for pointing that out.. wowow that's really bad of me.. Sorry for the mis information!

But other than that improper figure, the rest is still true. smile.gif

Thanks

Whether 1.45v will cause degradation remains to be seen. Yes, 1.45v is relatively high. But I'd be comfortable with that voltage personally. Any more probably not.

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post #4743 of 19540
Quote:
Originally Posted by Darkwizzie View Post

Forget the CPU overheating, you're going to overheat!

Extra volt for 200mhz is pretty damned good in my eyes. I went 1.35 to 1.5v and can't even force 100mhz extra.

If you go about and read on average overclocks, having to increase that much voltage for such diminishing returns, for exponential temperature raises, it's not such a good thing. One should never surpass 1.4 VCore...anyone who does so, is doing it at their own risk. Some cpu's may stand it for a little longer than others, but in the end it will damage them. Actually they aren't technically supposed to go past 1.3, as long term damages can become apparent. Often though you'll find just about all of them are more forgiving all the way up to 1.4. Past that, you're running a big chance of damaging internal components. This is a fact, not something I am making up and anyone who argues against that doesn't know what they are talking about. Please, just research it. Not here to to do nothing more than to help people out from killing their cpu's. Any one who reads this, you can read up just about on any site, and you'll find what I am saying is true. Why would anyone advocate that 1.4Vcore is safe long term? Yes, I have on many occassions ran 1.4 Vcore. but not ONCE have I surpassed it. increasing an entire tenth of a volt just to get a couple hundred Mhz isn't a great thing.... Running 4.8Ghz on a 1.29 or < is. Where 1.3ish is common. Having to go all the way up to 1.4 just go get 200Mhz, and adding in the fact that ur CPU is going to probably throttle, hit 90C+, and that's a good thing? Tell ya what... go run some hardcore programs on the AVX instruction set... like XTU, Prime95, OCCT which will run Linpak testing. Unless you're on a delidded, or bare die solution I gaurantee your cpu to throttle, or hit 90C+. It will definitely be rough on a CPU.
post #4744 of 19540
Thread Starter 
Quote:
Originally Posted by imaghost03214 View Post


If you go about and read on average overclocks, having to increase that much voltage for such diminishing returns, for exponential temperature raises, it's not such a good thing. One should never surpass 1.4 VCore...anyone who does so, is doing it at their own risk. Some cpu's may stand it for a little longer than others, but in the end it will damage them. Actually they aren't technically supposed to go past 1.3, as long term damages can become apparent. Often though you'll find just about all of them are more forgiving all the way up to 1.4. Past that, you're running a big chance of damaging internal components. This is a fact, not something I am making up and anyone who argues against that doesn't know what they are talking about. Please, just research it. Not here to to do nothing more than to help people out from killing their cpu's. Any one who reads this, you can read up just about on any site, and you'll find what I am saying is true. Why would anyone advocate that 1.4Vcore is safe long term? Yes, I have on many occassions ran 1.4 Vcore. but not ONCE have I surpassed it. increasing an entire tenth of a volt just to get a couple hundred Mhz isn't a great thing.... Running 4.8Ghz on a 1.29 or < is. Where 1.3ish is common. Having to go all the way up to 1.4 just go get 200Mhz, and adding in the fact that ur CPU is going to probably throttle, hit 90C+, and that's a good thing? Tell ya what... go run some hardcore programs on the AVX instruction set... like XTU, Prime95, OCCT which will run Linpak testing. Unless you're on a delidded, or bare die solution I gaurantee your cpu to throttle, or hit 90C+. It will definitely be rough on a CPU.

That only makes sense if 1) You hit a voltage wall 2) You use synthetics. The temps don't increase exponentially, then doing exponents my temps would prolly be at like 300C or higher. Neither does the temp increase that drastically, more like additively. You can already guess your temps before you put in the voltage. The issues comes when you can't stablize without some ridiculous voltage and even then it's hard to stabilize. 0.1volt for 200mhz is 0.05v for 100mhz. I'm willing to do that in a heartbeat, if I can go 1.35v, 4.5, 1.4v, 4.6, I'd probably go to 4.7 in that case. But it doesn't work that way for most people.

 

IIRC encoding 264 also uses AVX, the temp insanity is when you stress using it, not when you actually use AVX for applications. Also I'm already willing to fall to nonsynthetics for tests. If you're running Linpack sure it'd be hard to keep temps under control. But temps are a seperate issue compared to voltage. Different people have different ambients, cooling solutions, stressing applications, real world applications, delid or not, etc. Temps can sway by 40C or higher depending on the setup. Therefore I keep voltage seperate from heat.

 

When you break 1.5v barrier on air though, that is when the temps really get hot even on normal applications.

But my CPU never comes close to throttling at 1.45v.

 

If anything 1.45-1.5v is where the 'exponential temps' increase, maybe by a good 10C.

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XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
CoolingCoolingCoolingCooling
14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
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post #4745 of 19540
Quote:
Originally Posted by Darkwizzie View Post

Whether 1.45v will cause degradation remains to be seen. Yes, 1.45v is relatively high. But I'd be comfortable with that voltage personally. Any more probably not.

I suppose it really comes down to your cooling solution... you'll hear and see that most of the time Intel, Asus and others will say, heat doesn't kill cpu's, voltage does... But they are linked hand in hand; So I go with what most all of them recommend, staying under 1.4. Like said below, I have run 1.4 many times, but it's been only briefly and not long term. Given most boards, or VRM's aren't exactly accurate, for me to have stayed under the 1.4, I'd have to set voltage to 1.38, then the final output would be 1.39, 1.4. But I was in the 5Ghz ranges too. I can run 4.6Ghz with a 1.31Vcore, but if I try 4.8, I have to run 1.38ish. I am limited going farther with the chip i have now; My first 4770K was a dud... wouldn't do 4.8..even increasing up to 1.4 To even get a 4.6, I was already at 1.38. Just a bad sample. my current one is much much better.

I know some of previous gen chips can hold 1.4+, but haswell is a different beast of it's own.
post #4746 of 19540
Quote:
Originally Posted by Darkwizzie View Post

That only makes sense if 1) You hit a voltage wall 2) You use synthetics. The temps don't increase exponentially, then doing exponents my temps would prolly be at like 300C or higher. Neither does the temp increase that drastically, more like additively. You can already guess your temps before you put in the voltage. The issues comes when you can't stablize without some ridiculous voltage and even then it's hard to stabilize. 0.1volt for 200mhz is 0.05v for 100mhz. I'm willing to do that in a heartbeat, if I can go 1.35v, 4.5, 1.4v, 4.6, I'd probably go to 4.7 in that case. But it doesn't work that way for most people.

IIRC encoding 264 also uses AVX, the temp insanity is when you stress using it, not when you actually use AVX for applications. Also I'm already willing to fall to nonsynthetics for tests. If you're running Linpack sure it'd be hard to keep temps under control. But temps are a seperate issue compared to voltage. Different people have different ambients, cooling solutions, stressing applications, real world applications, delid or not, etc. Temps can sway by 40C or higher depending on the setup. Therefore I keep voltage seperate from heat.

When you break 1.5v barrier on air though, that is when the temps really get hot even on normal applications.
But my CPU never comes close to throttling at 1.45v.

If anything 1.45-1.5v is where the 'exponential temps' increase, maybe by a good 10C.

You know that's just fine and dandy. Go ahead.. Run it' it's not my 300+ dollars in it, I could care less if you damage it or not. Just in time, when it's not working, randomly crashing or giving you other problems, you'll figure out and think back to these conversations. I'm over it, no need to discuss this any farther.

Have a good day and best of luck to you.
post #4747 of 19540
What is the average vcore needed for 4770k 4.5Ghz ?
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post #4748 of 19540
Have a look through the spreadsheet on page 1.
post #4749 of 19540
Source
Windows

Summary
Shut down unexpectedly

Date
‎10/‎30/‎2013 9:25 AM

Status
Solution available

Problem signature
Problem Event Name: BlueScreen
OS Version: 6.2.9200.2.0.0.256.48
Locale ID: 1033

Extra information about the problem
BCCode: 124
BCP1: 0000000000000000
BCP2: FFFFFA80075A0028
BCP3: 00000000BF800000
BCP4: 0000000000000124
OS Version: 6_2_9200
Service Pack: 0_0
Product: 256_1
Bucket ID: 0x124_GenuineIntel_PROCESSOR_CACHE


bsod help confused.gif
post #4750 of 19540
Quote:
Originally Posted by boldenc View Post

What is the average vcore needed for 4770k 4.5Ghz ?

A good chip would need less than 1.250V, but the average would need more, all the way up to 1.350V is possible.
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