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[Various] Intel Haswell Reviews - Page 46

post #451 of 858
Quote:
Originally Posted by maarten12100 View Post

67 on a cpu even if overclocked isn't good at all.
Especially since you using a high end watercooling solution with only this attached.
If you want it for overclocking I advise to either delid it or to wait till the second revision which will have this fixed if it turns out to be real bad.


The HARDOCP guide says to keep temps under 85c?
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post #452 of 858
Quote:
Originally Posted by Jayek View Post

where can I find the asus guide?

http://forums.tweaktown.com/asus/52963-asus-haswell-i7-4770-near-final-overclocking-guide.html

3 mb zip guide, have a good read.
post #453 of 858
Quote:
Originally Posted by Jayek View Post

where can I find the asus guide?

Direct link as found on last page of HardOCP's Haswell review.
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post #454 of 858
Quote:
Originally Posted by Jayek View Post


where can I find the asus guide?


I posted it earlier:

 

http://www.overclock.net/t/1396503/various-intel-haswell-reviews/210_30#post_20094244

 

Edit: Hah, posted three times in the time it took me to find my original post.  Now that's service.

post #455 of 858
Quote:
Originally Posted by Jayek View Post

The HARDOCP guide says to keep temps under 85c?
power leakage in the chip increases when the temps increase which is logical.
Besides the max on 1 of the cores is 73 and that is simply too high looking at that cooler.
I mean that cooler is a beast for those that don't want to build their own loop.
Since we're comparing good temps and bad temps I have a Sandy i5 2500(non k) running in a loop with a cheap coolermaster 212 cooler. (it runs @3.1 for as far as I can remember)
Your Haswell proc may easily consume double the power and therefor almost dissipate double the heat.
the more heat the bigger the difference with ambient the more heat dissipated via that a cooler.
Therefor even if my Coolermaster 212 cooled i5 has a 25 degree delta with ambient at max load yours shouldn't have more than (50 above ambient 70) on a 212 cooler.
That would be if a heatsink didn't get more efficient at higher delta's but it does.
So:
1: Dissaption of heat gets better when the temperature delta is bigger.
2: Your cooling solution is vastly superior to my cheap 212 cooler

Considering those we can conclude that the transfer between the die>IHS>coolerbase aren't great at all having Intel's ivy history in mind everything points to the bad laying in the part of die>IHS
post #456 of 858
Quote:
Originally Posted by Jayek View Post

I don't know what all the fuss about with temps is. I'm using an h100 with a 4670k @ 4.5GHz 1.25v and getting 67c or so.


Got the CPU/Board as a bundle from NCIX for $375 (wish I lived near a Microcenter) and then went to CC that had refurb h100 for $70 and I got an additional 20% off because it was open box and had no TIM (not an issue). Total was $480 after taxes.

The Asus Z87-A is rock solid and a great deal for such a low price. The only thing I was hesitant about was the gold/yellow layout but after putting it in my case I noticed it matches my Season X-760 biggrin.gif so it looks pretty good. The Gigabyte 670 with blue PCB kinda throws off the overall look but that is being replaced with a Gigabyte 780 WindForce on Monday and that, thankfully, has a black PCB biggrin.gif

Hey, nice results! Pretty decent overclock with pretty decent temps... but the real upgrade looks to be going from 670 to 780 smile.gif
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post #457 of 858
Quote:
Originally Posted by kingduqc View Post

Quote:
Originally Posted by CL3P20 View Post

As far as what? OC'ing? Cooling?

I try to stick close to a 2:1 ratio for SVID to vcore (or as close as possible) for stability. This should help to keep a lower vcore. As well.. its important to boost your IO Digital and IO analog voltages by a small amount. The delta between them is also a critical thing to balance.

*I run a zalman cnps10x with a single 120mm for air cooling

When's the guide coming up chief?

I dont have the time for an oc guide.. too much going on right now. Its very easy to clock though.
Quote:
Originally Posted by Forceman View Post

Quote:
Originally Posted by CL3P20 View Post

As far as what? OC'ing? Cooling?


I try to stick close to a 2:1 ratio for SVID to vcore (or as close as possible) for stability. This should help to keep a lower vcore. As well.. its important to boost your IO Digital and IO analog voltages by a small amount. The delta between them is also a critical thing to balance.


*I run a zalman cnps10x with a single 120mm for air cooling


OCing.  Tips on the voltages (as you gave) are great.  I also read in Asus's guide that setting the cache ratio can make a big difference - any comment on that?

Cache ratio = uncore speed

It makes a huge difference in memory performance. Ideally you want to run cpu/uncore at 1:1 ratio.. some cpu will not run stable on air with uncore at 1:1 though.
post #458 of 858
I hope Intel redeem themselves with Ivy-E.

They can do this by releasing the 4820k /4930k without the Ivy TIM issues IMO.

A 4-6 core Ivy with the better X79 platform, pci lanes etc and no TIM issues=very good enthusiast option
post #459 of 858
Quote:
Originally Posted by RKTGX95 View Post

what i meant that this time we are getting even closer to such roadmap. not that we are now at such situation, but soon enough might be in. AFAIK most TOCKs (might be wrong here) brought a bit more performance than the previous tick.

but now it almost looks that intel intentionally gives AMD the opportunity to matching them (i know it is not true). maybe they are getting board up there biggrin.gif

Yeah, true. The reason performance increases have virtually stopped is because most of the market couldn't pick the difference between a Pentium D and a Core i7 3930K if everything else was the same.
Quote:
Originally Posted by malmental View Post

compete with Intel arch from 4 years ago..?
I hate 'clock for clock' comparisons but Steamroller might be able to run with Sandy Bridge while still behind in single core / IPC..

Uh, what drugs are you on? Piledriver competes with Ivy Bridge i5s outside of single threaded stuff as it is now, if SR is the rumoured 30% faster then they'll move up to competing more with i7s and have a single-threaded IPC that's only a little slower than Intel. (Note the IF it's true, Intel is only 55% faster than AMD in IPC at best iirc)
Quote:
Originally Posted by malmental View Post

why.?

Because if the consumer is even seriously looking at and understanding the specs, they aren't going to go "I'll get the Celeron because Intel's i7s are faster", they're going to go "This one is the fastest in the price bracket I can afford".
Quote:
Originally Posted by Alatar View Post

A lot of gamers get the survey when they're on their laptops or something....

I've gotten it at least once on my i3 ultrabook...

It's weird, I install Steam on my desktop? Never get it.
Install it on my laptop? Get the survey thing nearly every time.
    
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post #460 of 858
Quote:
Originally Posted by Jayek View Post

I don't know what all the fuss about with temps is. I'm using an h100 with a 4670k @ 4.5GHz 1.25v and getting 67c or so.

"Luck of the Draw?

From all the feedback that I am getting through motherboard makers about Haswell overclocking, the basic thread at this time in terms of getting "high overclocks" seems to be, "You need to have a good CPU." ASUS has tested a couple hundred Haswell processors at this time and this is ASUS’ specific feedback from that overclock testing.

70% of CPUs can clock to 4.5GHz

30% of CPUs can clock to 4.6GHz

20% of CPUs can clock to 4.7GHz

10% of CPUs can to 4.8GHz

Overall you will find most CPUs capable of reaching 44x to 45x with varying levels of voltage."

http://www.hardocp.com/article/2013/06/01/intel_haswell_i74770k_ipc_overclocking_review/6

Hundreds of Haswell K models tested by ASUS.
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