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**Ivy Bridge Overclocking Guide** (with LN2 Guide at The End) - Page 42

post #411 of 1508
Quote:
Originally Posted by DaClownie View Post

Yep, and hitting the thermal wall :/
I think I could push 4.8 on this i7-3770k... but I like my load temps of 85C peak in Prime95 with current settings. BF3 doesn't break 70C, SW:TOR is in the low 60s, and Diablo3 barely pushes 40C. lol

What are you current settings? Cooling?

I tried going to 4.9 with 1.4v and I could boot, but when i tried to run prime95, during the initial second it "starts up" it maxed out at 104C and it caused that core to stop working. I will definitely agree that after 4.8 there is a thermal wall.
Quote:
Originally Posted by EvgeniX View Post

its not 3770K smile.gif

So, 3770k runs cooler?
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post #412 of 1508
hotter cos of HT
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post #413 of 1508
Quote:
Originally Posted by EvgeniX View Post

hotter cos of HT

Then why am i gettin such high temps?

Current Settings:
4.8ghz @ 1.300v
VTT @ 1.1v instead of the stock 1.050v
Extreme Perf
Fast
Extreme
Extreme

Cores 2 and 3 max out at 90C, while cores 0 and 4 can go low as 80C during max load. Prime95.
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post #414 of 1508
Quote:
Originally Posted by Kristof View Post

Quote:
Originally Posted by EvgeniX View Post

hotter cos of HT

Then why am i gettin such high temps?

Current Settings:
4.8ghz @ 1.300v
VTT @ 1.1v instead of the stock 1.050v
Extreme Perf
Fast
Extreme
Extreme

Cores 2 and 3 max out at 90C, while cores 0 and 4 can go low as 80C during max load. Prime95.

Because these chips run hot. Most of these chips aren't even hitting 4.8. I mean, I've seen a ton of people stuck at 4.4 tongue.gif
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post #415 of 1508
Quote:
Originally Posted by Gallus View Post

Timing differences make very little real world performance impact. However, populating all the ram slots will hinder OCing. So any performance gains from the -2 on the timings (from your example) would be drastically overshadowed by the reduced OC that would result from all the slots being populated.
I know which ones i'd go for too, and it's not the 4 stick solution.

for a zero cost choice, or in fact for a cheaper choice, the faster ram is better:
http://www.bit-tech.net/hardware/memory/2011/01/11/the-best-memory-for-sandy-bridge/
Its not much, but as it is a saving, then why not.
 
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post #416 of 1508
Quote:
Originally Posted by DaClownie View Post

Because these chips run hot. Most of these chips aren't even hitting 4.8. I mean, I've seen a ton of people stuck at 4.4 tongue.gif

Thats a relief then, thanks.
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post #417 of 1508
Quote:
Originally Posted by 13thmonkey View Post

for a zero cost choice, or in fact for a cheaper choice, the faster ram is better:
http://www.bit-tech.net/hardware/memory/2011/01/11/the-best-memory-for-sandy-bridge/
Its not much, but as it is a saving, then why not.

Because ram speed/timings make very little real world impact.

And for the same price, you can get get 2 sticks, slightly slower(but not noticeably slower in applications), and in turn get a better OC on your system.

The OC handicap that 4 sticks brings is not worth saving $20, or -2 timings on ram sticks for same price.

Just isn't worth it.
post #418 of 1508
Quote:
Originally Posted by Gallus View Post

Quote:
Originally Posted by 13thmonkey View Post

for a zero cost choice, or in fact for a cheaper choice, the faster ram is better:
http://www.bit-tech.net/hardware/memory/2011/01/11/the-best-memory-for-sandy-bridge/
Its not much, but as it is a saving, then why not.

Because ram speed/timings make very little real world impact.

And for the same price, you can get get 2 sticks, slightly slower(but not noticeably slower in applications), and in turn get a better OC on your system.

The OC handicap that 4 sticks brings is not worth saving $20, or -2 timings on ram sticks for same price.

Just isn't worth it.

Dude... really... you need to stop spreading misinformation. Four sticks of memory is NOT holding back an overclock on Ivy Bridge. The IMC is unbelievable on these chips.

What is your sig rig? What is your experience with Ivy Bridge and 4 sticks hindering an OC? While I'll agree with you that RAM timings are real world almost completely insignificant (some applications truly benefit from the increased bandwidth however), that's where the buck stops. This is a performance oriented computer site. Do timings matter? It might improve a benchmark score by a few points for us. What's a few points? The difference between a world record and everyone else.

Unless you have some undeniable proof that Ivy Bridge can't OC because of 4 RAM slots being filled, you need to stop posting this stuff
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Cool story, bro!
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post #419 of 1508
Quote:
Originally Posted by Gallus View Post

Because ram speed/timings make very little real world impact.
And for the same price, you can get get 2 sticks, slightly slower(but not noticeably slower in applications), and in turn get a better OC on your system.
The OC handicap that 4 sticks brings is not worth saving $20, or -2 timings on ram sticks for same price.
Just isn't worth it.

With tighter timed ram sticks, you can OC the memory to a better level whilst maintaining reasonable timings. The majority of tests in the article show not much benefit, but some show up to 5%, and again that's for free if you choose the right sticks. I can't comment as to the impedance this might create for high end OC, but many others are suggesting that there is no impedance, i'd also definitely suggest that on air, there would be no difference as other things come into play, heat and voltage primarily.
 
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post #420 of 1508
Hi, I followed a mixture of some guides (although they were specific to other boards to it was a lil difficult to follow; using Asus board) and achieved 4.2GHz at offset voltage of +0.005V.

However, I wanted a 4.5GHz OC and well when I try to do that on offset (auto).. it goes all the way up to 1.40V... tried to lower the CPU LLC to 0% and then it drops to 1.35-1.360V, which is still way too high.

If i try with the same +0.005V offset voltage that I used for the 4.2GHz OC, it gets stuck on the Windows boot logo.

Any Ideas? I'm still fairly new to this and so would very much appreciate any detailed help. thanks.
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