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Haswell Overclocking Guide [With Statistics] - Page 550

post #5491 of 19539
how does it run in terms of heat?
post #5492 of 19539
Quote:
Is 100mhz not worth the 0.1v? Im just trying to get a good idea of what the chip can do...and i was talking about x264 crashing at the end of the final loop.

Requiring going from 1.25 to 1.35vcore for 100mhz on haswell or ivy bridge is unheard of. You're much more likely to have the next multi stable at 1.28-1.32 depending on if the scaling is great or terrible. You shouldn't be overkilling on voltage - you can get Haswell and set 1.5vcore, +0.3 sa/dio/aio, 1.4 ring, 2.2vrin etc and it won't do you much good because you won't get anywhere or learn anything about which voltages you actually need, how your chip scales or anything to do with stability and behavior of the cpu.

Far too much changing 5 variables at once from a lot of people in here (in general, not naming specific people) - this isn't even high school stuff, i didn't take high school science. First thing i learned when i was 6 or 7 years old was change one variable at a time in a scientific experiment and also have a stable base point, so that the effects are properly measurable
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post #5493 of 19539
Quote:
Originally Posted by creos7 View Post

how does it run in terms of heat?
About the same as x264. Prime95 was getting too hot
post #5494 of 19539
oh interesting, perhaps darkwizzie could review his recommendation (like he updated his stress test of choice from chess to x264) for OC software. I'll give it a try!
post #5495 of 19539
Thread Starter 
Quote:
Originally Posted by Okt00 View Post

CPU Model: 4770k
Core Multiplier: 43x
CPU VID: 1.2v
Vcore: 1.212v
Input Voltage: 1.8v
Uncore Multiplier: 39x
Uncore Voltage: 1.62v
Cooling Solution: h80i
Stability Test: 5 Passes x264, Cinebench, AIDA64 Memory and Cache Benchmark
Ram Speed: XMP-2400 10 12 12 31

I was having a hard time getting anything to stick without massive CPU VID, then I pumped the Input Voltage (Eventual Voltage on my VI Impact) to 1.8v, this seemed to give me a bit more juice. I've read to try to keep this +0.5v of your VCore. Tomorrow morning when I have the ambient temps down to about 15C I will see how far I can get this to run. I'm going to give this a go with adaptive and try some daily driving.

Dear jesus mother of god, that better not be 1.62v Vring.

 

Quote:
Originally Posted by brandon6199 View Post


Yes, I did. In its entirety.

I noticed that very few members have the Costa Rica chips as opposed to the Malaysia chips. Which is why I'm asking.

Then to clarify, there has been no data that suggests Costa chips are better. So far they are just mediocre.

 

Quote:
Originally Posted by Cyro999 View Post


Requiring going from 1.25 to 1.35vcore for 100mhz on haswell or ivy bridge is unheard of. You're much more likely to have the next multi stable at 1.28-1.32 depending on if the scaling is great or terrible. You shouldn't be overkilling on voltage - you can get Haswell and set 1.5vcore, +0.3 sa/dio/aio, 1.4 ring, 2.2vrin etc and it won't do you much good because you won't get anywhere or learn anything about which voltages you actually need, how your chip scales or anything to do with stability and behavior of the cpu.

Far too much changing 5 variables at once from a lot of people in here (in general, not naming specific people) - this isn't even high school stuff, i didn't take high school science. First thing i learned when i was 6 or 7 years old was change one variable at a time in a scientific experiment and also have a stable base point, so that the effects are properly measurable

Well I had to go from 1.35 to 1.42, a 0.07 vcore change along with a 0.25 VCCIN increase. :D

 

Quote:
Originally Posted by creos7 View Post

oh interesting, perhaps darkwizzie could review his recommendation (like he updated his stress test of choice from chess to x264) for OC software. I'll give it a try!

You mean try to figure out just how stable x264 overnight is? Hard to, because it's much easier to keep track of the amount of times x264 users crashes after passing overnight. To get a good statistic we need to keep track of the hits and misses.

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post #5496 of 19539
Quote:
Well I had to go from 1.35 to 1.42, a 0.07 vcore change along with a 0.25 VCCIN increase. biggrin.gif

That's a 0.07 change (which is NOT 0.1) and you were already at 1.35. Needing +0.07vcore is somewhat common when you're nearer the limits of the chip.. (like my ~1.29 to ~1.36 load vcore) but needing 1.25 for one core multi and 1.35 for next is pretty unthinkable IMO, never seen anything close to that
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post #5497 of 19539
Quote:
Originally Posted by Cyro999 View Post

That's a 0.07 change (which is NOT 0.1) and you were already at 1.35. Needing +0.07vcore is somewhat common when you're nearer the limits of the chip.. (like my ~1.29 to ~1.36 load vcore) but needing 1.25 for one core multi and 1.35 for next is pretty unthinkable IMO, never seen anything close to that

You realize the difference is not that great! smile.gif (ie still same order of magnitude). I think it's actually not uncommon, each chip has a 'jump' point it seems. Mine is very similar. Going up to 4.6 was a breeze, needing 1.27 for absolutely rock solid stable setting. To get it to 4.7, however, I need exactly 1.37. It IS a jump, and it IS annoying (and i've personally made the decision it's not worth it, arguable), but it's certainly not unheard of. Some people hit that jump much earlier around 4.2 it seems. It really is a silicone lottery!
post #5498 of 19539
Quote:
Originally Posted by creos7 View Post

Okt00, your UncoreV seems really high, to me (though obviously every CPU is unique) especially compared to your core speeds/voltage.
Did you start to prematurely try to bump up the Uncore multiplier? I think you should go back to uncore x35, take down the Uncore votlage to stock, and only play with Core Mult/ CPU Vid. Or did you already did that and hit a wall at 4.3Ghz for core?
Quote:
Originally Posted by Darkwizzie View Post

Dear jesus mother of god, that better not be 1.62v Vring.

Then to clarify, there has been no data that suggests Costa chips are better. So far they are just mediocre.

Well I had to go from 1.35 to 1.42, a 0.07 vcore change along with a 0.25 VCCIN increase. biggrin.gif

You mean try to figure out just how stable x264 overnight is? Hard to, because it's much easier to keep track of the amount of times x264 users crashes after passing overnight. To get a good statistic we need to keep track of the hits and misses.

0.162v I missed a number. Makes a big difference. So far the cache is set to auto. Both multi and voltage.
Quote:
Originally Posted by Darkwizzie View Post

Dear jesus mother of god, that better not be 1.62v Vring.

Whoops...

0.162v
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post #5499 of 19539
Quote:
Originally Posted by Okt00 View Post

Whoops...
0.162v
Hahaha, ah cool, ok that makes sense. With the original number you posted I was like ***, that's crazy smile.gif
Still kind of high btw but could be necessary for your cpu i guess...
post #5500 of 19539
Quote:
Originally Posted by Cyro999 View Post

Requiring going from 1.25 to 1.35vcore for 100mhz on haswell or ivy bridge is unheard of. You're much more likely to have the next multi stable at 1.28-1.32 depending on if the scaling is great or terrible. You shouldn't be overkilling on voltage - you can get Haswell and set 1.5vcore, +0.3 sa/dio/aio, 1.4 ring, 2.2vrin etc and it won't do you much good because you won't get anywhere or learn anything about which voltages you actually need, how your chip scales or anything to do with stability and behavior of the cpu.

Far too much changing 5 variables at once from a lot of people in here (in general, not naming specific people) - this isn't even high school stuff, i didn't take high school science. First thing i learned when i was 6 or 7 years old was change one variable at a time in a scientific experiment and also have a stable base point, so that the effects are properly measurable

Hehe I agree Im just not sure what to change next lol, I thought the gap was rediculous as well, I just wanted to see what happened.
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