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 Ivy Bridge Overclocking V1 | 3770K/3570K | Z77, Torture Your CPU, Post It Here!

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dma0991
post Apr 22 2012, 01:37 AM

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QUOTE(fucziAvA @ Apr 21 2012, 07:46 PM)
Hi all... Can someone recommend me stable voltage setting. I just want to OC to 4.5ghz only. I5 3570k and im using asrock z68. unsure.gif
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4.5GHz @ 1.3V +- 0.05V is possible to pass at least 2 hours or more of Prime95. Don't take it as a 100% guarantee as different chips in different batches will demand different amount of volts to be stable. 4.5Ghz is a good range as the volts needed for 4.6GHz or more is going to be a lot, temps increase a lot as well.
dma0991
post Apr 22 2012, 01:58 AM

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QUOTE(fucziAvA @ Apr 22 2012, 01:48 AM)
Ive tried 4.5ghz at 1.38v just now.. And after bout 45min running on prime95 the max temp was 91c. Pretty high isit. So scared.
ok. Will try ur setup after dis. Hehe
P/s: me just using h50 push pull smile.gif
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91C is too high, or at least too high by my standards. 1.3V should be a sweet spot, anything less you'll risk some stability. H50 isn't enough. You should get something like a H100 or air coolers like the Noctua NH-D14 or similar.
dma0991
post Apr 28 2012, 11:26 AM

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Delidding won't help IB cool better. It is a problem with IB's power density. Tested here.

QUOTE(owikh84 @ Apr 28 2012, 08:10 AM)
3570K @ 4.5GHz 1.3v
Asus M5G BIOS 881
Team Xtreem 2600C10 2x4GB @ 2600MHz 10-12-12-28-1T 1.65v
Corsair AX1200
Sapphire HD5450  biggrin.gif
Intel X18-M G2 160GB SSD
WC gear: HF + D5 EK Top + EK X2 250 Res | 2x RX360 + 12x GT 1850
Dimastech EasyDual v2.5 Benchtable
» Click to show Spoiler - click again to hide... «

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Your temps for 4.5GHz @ 1.3V is so high considering that you have a RX360 cooling it. hmm.gif
dma0991
post Apr 28 2012, 05:26 PM

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QUOTE(owikh84 @ Apr 28 2012, 02:08 PM)
Actually dual RX360 in push pull fan setup.
Something wrong inside the chip like other owners. Anyway my rads are still cool to touch. No hot air at all  laugh.gif
But since I bought this 3570K dirt cheap so i don't mind to push it further.
btw my chip couldn't boot 5GHz with even 1.65v. Best is 4.9GHz with 1.6v bootable but unstable with random exe crashes & BSOD.
For you guys who don't own IB yet, the best thing to do now is to wait for a revised stepping.
Let's hope Intel has good news for us later.
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I've seen better overclocking from Core i7 3770K's, better as in requiring less voltage than comparable Core i5 3570Ks maybe due to better binning. Try getting a Core i7 3770K and see if you can get better results. brows.gif

QUOTE(kelvin_hata @ Apr 28 2012, 04:50 PM)
Yea... But need to run at high vcore... And dunno y so hot report at hwinfo or core temp, i use my hand to touch the waterblock feel cold nia... Haiz...
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Many said that temp is not necessarily heat. IB may have higher temps but it actually makes less heat than SB. Strange and maybe confusing to some but I find it correct.
dma0991
post May 12 2012, 01:01 AM

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user posted image
Time to start delidding, read more. Temps might improve but overclocking is still limited by voltage.

» Click to show Spoiler - click again to hide... «

dma0991
post May 12 2012, 02:12 AM

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QUOTE(ALeUNe @ May 12 2012, 02:00 AM)
I have to use mATX because my HTPC system is using Lian Li PC-V350.
I owned wide range of motherboards, from premium to budget mobo.
I never had problem to overclock with mATX.

I just wonder how is the "overclockability" for current Z77 mobo, particularly Asus and Gigabyte.
I heard Asus has slow boot up (it takes a long time to detect hardware at bios boot up).
So Asus users, do you encounter slow boot up with your Z77 mobo?
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Not to say that mATX isn't overclockable. It can but usually not as good as a full sized ATX with space for more components for power delivery. As for overclockability, I have to guess that it will be a little bit worse than the previous because manufacturers skimp a little on fewer power delivery components as IB is not as demanding as SB, but this is outside of the range that most would be able to go. You'll probably hit a wall with the IB processor before you are held back by the Z77 motherboard.

Asus doesn't have slower boot times, it is just that it has more parts to check before it completes its POST. If you disable some of the features, it will POST just as fast as the other boards and these features will eventually be loaded when the OS is running.


dma0991
post May 12 2012, 05:52 PM

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QUOTE(asm@m @ May 12 2012, 05:37 PM)
What mobo  do you rec to OC? not extreme OC just ~4.5Ghz
ASRock extreme4/extreme4, Asus -v/-v pro or Gigabytes ud5h?

I dun really need al the latest feature ( i dun even understand some of them yet) but i want it future proof at least...

Edit: I'm thinking of using 3570k with GTX670.
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Almost any Z77 board RM400 onwards will get you to 4.5GHz provided that you have a decent heatsink. If on a budget, the ASRock Z77 Extreme4 has almost all the features that you'll need. Every other board after it will give more features and also more expensive.
dma0991
post May 12 2012, 08:57 PM

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QUOTE(asm@m @ May 12 2012, 07:15 PM)
Yeah. ASRock is cheaper.  But people said ASUS is more reliable?  or just rumours?
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Not quite as I do have an ASRock board that goes back to the days of P4 and still running good. As for now, ASRock can be as good or nearly as good as Asus, Gigabyte and MSI. ASRock now can't be grouped in the same category as ECS or Biostar, which does make decent motherboards but still needs a little improvement.

QUOTE(ketapang @ May 12 2012, 08:09 PM)
3570k @ 4.2Ghz.
Using MSI Z77A-G43 & its not really a good mobo for overclock. Very little control on vcore. Highest vcore i could get is 1.26v but due to vdroop, i cant even make mine stable @ 4.5Ghz. No LLC option, PLL voltage only avail to enable & disable it. sweat.gif
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If there is an updated BIOS, it might improve some of the options available.

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