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Haswell Overclocking Guide [With Statistics] - Page 1161

post #11601 of 19539
Quote:
Originally Posted by Cyro999 View Post

The sensor is wrong.

Ok i found this thread in the HWInfo forum, stating that on ASROCK Z87 Motherboards the CPU VCORE value read out by HWInfo, is actually the half value of the VCCIN. Makes perfect sense to me, as my VCCIN is 1,9V. (2*0,95V)
Maybe its the same problem with HWMonitor?

If i use HWInfo v.4.36.2150 I can't find a Vcore, but under Sensors->CPU->all 4 Core VIDs show 1.3V.
Thats the Vcore, right? There are no other voltages related to the cpu.


So I don't have a crappy board.
Just an average crappy chip. arrowheadsmiley.png
Edited by schlonzo - 4/3/14 at 2:59pm
post #11602 of 19539
Quote:
Originally Posted by schlonzo View Post

Ok i found this thread in the HWInfo forum, stating that on ASROCK Z87 Motherboards the CPU VCORE value read out by HWInfo, is actually the half value of the VCCIN. Makes perfect sense to me, as my VCCIN is 1,9V. (2*0,95V)
Maybe its the same problem with HWMonitor?

If i use HWInfo v.4.36.2150 I can't find a Vcore, but under Sensors->CPU->all 4 Core VIDs show 1.3V.
Thats the Vcore, right? There are no other voltages related to the cpu.


So I don't have a crappy board.
Just an average crappy chip. arrowheadsmiley.png

VID is not vcore

i'm not sure how to actually check vcore on some of these boards with weird sensors. There's a few different ones
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post #11603 of 19539
Quote:
Originally Posted by Cyro999 View Post

You're one of many with the impression of "my chip is bang on average so i'm sending it back"

i don't really understand, there's still tweaking to do and few bother to pass prime v28 and linpack on Haswell because of their added heat and not being ideal stability tests, but given scaling you can probably get 46x @1.36 or so. If you dont want to add another ~0.065 for 4.7, that's ok but you can't really >expect< better

you can hope for it, but not expect

4.5 @ 1.3v is average for a 4770k? I was always under the impression that if an 4770k cannot do 4.6 @ ~1.25v it is below the 50th percentile of processors. This was from the Asus overclocking video on youtube.
post #11604 of 19539
Yeah, that Asus data was a fantasy.
post #11605 of 19539
Thread Starter 
Quote:
Originally Posted by treome View Post


4.5 @ 1.3v is average for a 4770k? I was always under the impression that if an 4770k cannot do 4.6 @ ~1.25v it is below the 50th percentile of processors. This was from the Asus overclocking video on youtube.

ASUS OCing has a lot of bunk in it.

I've actually listed the OC settings one by one on my chart. 4.5 @ 1.3v is average, Asus is wrong.

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post #11606 of 19539
Quote:
Originally Posted by Darkwizzie View Post

ASUS OCing has a lot of bunk in it.
I've actually listed the OC settings one by one on my chart. 4.5 @ 1.3v is average, Asus is wrong.

There is also the Newegg, LinusTechTips videos and several review sites all showing 4770ks getting to 4.7-4.8 with ease. I understand the Costa Ricas performing poorly but 1.3 for an early Malay doesn't seem average.
post #11607 of 19539
Thread Starter 
Quote:
Originally Posted by treome View Post


There is also the Newegg, LinusTechTips videos and several review sites all showing 4770ks getting to 4.7-4.8 with ease. I understand the Costa Ricas performing poorly but 1.3 for an early Malay doesn't seem average.

And they got binned chips. Hwbot has 30,000 entries, I have 140+ better documented ones. Linus is the sample size of one, one binned chip hitting 4.7-4.8 with ease. Even if you add together every single major Tech Youtuber together, together ignoring the fact that they are binned, the sample size is still statistically insignificant. And I can assure you that as a community and in this thread, we've looked harder on ways to OC, way, way more than any tech Youtuber or article writer did. Their incentive is to OC their binned chip and then release the article ASAP, before the chip is even out if they can. They have no incentive to spend months slowly trying to figure things out and hitting several dead ends - so our method is better than theirs, yet we have worse overclocks.

 

Let's also not forget HWbot OCs tend to be inflated because verification is relatively easy.


Edited by Darkwizzie - 4/3/14 at 4:44pm
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post #11608 of 19539
Quote:
Originally Posted by treome View Post

4.5 @ 1.3v is average for a 4770k? I was always under the impression that if an 4770k cannot do 4.6 @ ~1.25v it is below the 50th percentile of processors. This was from the Asus overclocking video on youtube.

Smack bang on for stable.

There's quite a lot of chips that will do etc 4.8@1.4

There's >100 charted in this thread, if you wanted to look. Those asus video's.. Firstly, not really the best numbers, if i recall correctly there was two things:

Firstly, using adia test which is way easier to pass than the stuff you are doing

and secondly, it was said 1.25v -booting into windows-, not stable. I can boot into windows @5ghz on the volts it takes me to survive prime @4.7

we have lots and lots of data here for retail cpu's, and significantly better than 4.5@1.3 is simply down to luck. You can't expect stable and faster, not consistently at least


If half of the chips out there could prime @4.6ghz, 1.25vcore, then we'd have a lot more 5ghz 24/7 chips. There's probably few enough of them on OCN - out of hundreds or more haswell users, many on water, a ton on high end air/clc - to count on one hand. The reality is that you have to be really damn lucky to get 50x under 1.4 or even 1.45v and many of the "average" chips are at like 4.7@1.4
Edited by Cyro999 - 4/3/14 at 4:51pm
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post #11609 of 19539
Thread Starter 

Their mantra is crank dat cache ratio like it matters at all, really. That is a red flag. Automatically double check all the info you're getting from that point on out.

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post #11610 of 19539
I did some further testing. 1.280v @ 4.5ghz seems stable so far (IBT 20 loop high) if I completely disable C-states and EIST. Is it normal for C-states and EIST to cause instability for Haswell? I've read contradicting things..
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