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[Official] Delidded Club / Guide - Page 1352

post #13511 of 33678
Quote:
Originally Posted by snowfree52 View Post

Hello,

at 1,45V for 4,8Ghz my temps are around 80°C after 8h OCCT

Do you guys think I would benefit from delidding my 3770K ?

I'm only using the EK thermal paste that was provided with my EK waterblock

Thanks
1.45v is not a low voltage. I don't use OCCT much, but if you are saying that is your max core temp hit while doing any stress testing, including prime or ibt, then those are definitely good temps. You have a custom water setup so I would expect better temps than others.

There are two good reasons to delid. If you want to keep your current multiplier but lower your temps, or if you want to increase your multiplier but temps (not voltage) are getting in the way.

If you delid to get your temps down 10 to 20c and stay at 4.8 is that what you want? If you delid and want 5.0 but that takes more than 1.55v are you really comfortable with that much voltage 24/7?

Your setup is not a clear cut case, your temps are good, but your chip is a little voltage hungry. It depends on what you want, but I would say it is probably not worth the risk.
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post #13512 of 33678
I see what you mean, I'm on the low side of the temps but I'm almost at the max on the voltage side,
Therefore I can't go much further on the OC even if I lose some degrees.

At the end it's just about my satisfaction having lower temps, am I correct ?

I am stable at 4,6Ghz @ 1,3V with temps around 60-65 °C maybe I should keep it like that ?

I still have the EK indigo extreme to test, I hope I can lower my temps with it
Edited by snowfree52 - 3/11/13 at 10:19am
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post #13513 of 33678
Quote:
Originally Posted by snowfree52 View Post

I see what you mean, I'm on the low side of the temps but I'm almost at the max on the voltage side,
Therefore I can't go much further on the OC even if I lose some degrees.

At the end it's just about my satisfaction having lower temps, am I correct ?

I am stable at 4,6Ghz @ 1,3V with temps around 60-65 °C maybe I should keep it like that ?

I still have the EK indigo extreme to test, I hope I can lower my temps with it
You are correct.
Those temps, 60-65c, are max stress testing core temps, or everyday use/gaming temps?
Testing different TIMs, how much you use, and your exact cooler installation method can lead to at least a several degree drop when optimized. It takes time to test, but when you find the optimal TIM, amount, and cooler installation the results are usually worth it.
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post #13514 of 33678
yes these are during OCCT temps, not everyday use.

can't go wrong with indigo extreme, you have to put all of it ! wink.gif
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SSD Corsair Neutron GTX 240 Seagate barracuda 2To Wester digital caviar 2To seagate barracuda 1To 
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post #13515 of 33678
Quote:
Originally Posted by snowfree52 View Post

yes these are during OCCT temps, not everyday use.

can't go wrong with indigo extreme, you have to put all of it ! wink.gif
I wish we new for sure what combination of temps and voltage made Ivy safe from any measurable degradation, but we don't. From what I have read, I think we are ok if you keep the voltage below 1.45v and everyday temps below the 60-65c range. There are some people who think nothing of 1.5v+ 24/7 and others who are paranoid of going over 1.35v.

It is up to each person how much risk they will take. Compared to the cost of a couple Titans that many on this site are buying, I guess having to replace an Ivy chip from degradation seems cheap.rolleyes.gif
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post #13516 of 33678
Quote:
Originally Posted by snowfree52 View Post

Hello,

at 1,45V for 4,8Ghz my temps are around 80°C after 8h OCCT

Do you guys think I would benefit from delidding my 3770K ?

I'm only using the EK thermal paste that was provided with my EK waterblock

Thanks

1,45v for 4.8 sounds a bit high, mid-to-high 1.3ies would be better as guarantor to reach e.g. 5 GHz. Delidding carries its own risks and costs, but certainly, any time you can lower temps is a good thing for an electronic component that goes through heat-cycling.

Depending on particulars, delidding plus a LM (liquid metal) TIM replacement will gain something like 12-23 C temp advantage. In turn, that large a gain may allow you to run lower v-core at any given speed, like I experienced...mind you, I started of low (pre-delid 4.8: Warning: Spoiler! (Click to show)

There are really two main schools of thought re your question above: gunner2.gifgunner.gif

The first covers average-to-not-so-good chips (higher 'v' at lower GHz)...some will argue that these are not worth delidding, but you can turn that around and say that those are the chips that need it most...

The second covers low-v chips...many here will suggest that those are 'worth' delidding...obviously, if the chip already has a naturally higher limit, delidding will help increase that limit even further and get you beyond even 5 GHz.

I happen to think that both are potentially correct, as long as the dangers and costs of delidding are taken into account...but to make delidding really count you also have to have other upgraded components such as a strong water cooling system (over 4.8) and a board with VRMs that can handle much higher demands on a sustained basis because at 5 GHz plus, your 3770K max TDP = 77 watts will be exceeded by a multiple...typically, you're looking at 200 watts plus.

In the end, you may want to (very carefully) delid and use LM to see how far that takes you - then may be use two settings in your BIOS or something like Intel's XTU in Win7...the first is the daily 'regular' for browsing the web, email, and MS Office etc at a lower GHz, say 4.3 or 4.5, the second is for 'gaming' (and/or benching) at 4.9 or 5.1 etc...sleep states and Intel SpeedStep are also important in this...I run well over 5GHz yet even then, SpeedStep and C states remain enabled and functional.

Finally, is all that really worth it re the tradeoff's for extra performance ? Here is a table that may help quantify the potential gains:

sonic.gifWarning: Spoiler! (Click to show)
post #13517 of 33678
thanks,

I actually didn't tested anything less than 1,45V for 4,8 maybe I can get less, but I wanted to be sure I was at least 8 hours stable with 1,45

What I am sure of is I need 1,3V for 4,6. with even 1,29 I crash within 5 min on OCCT, with 1,3 I did 8 hours without problem.

I am not sure why you say if I delidded I could run lower V core at the same GHZ ?

5Ghz : I tried and it won't boot at 1,5V. not sure it's worth it going further redface.gif
Edited by snowfree52 - 3/11/13 at 1:47pm
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CPUMotherboardGraphicsRAM
Intel 3770K @ 4.6 watercooled Asus P8Z77-V PRO 2 x ATI 7970 watercooled Corsair Dominator Platinum 8 Go (2 x 4Go) DDR3 ... 
Hard DriveHard DriveHard DriveHard Drive
SSD Corsair Neutron GTX 240 Seagate barracuda 2To Wester digital caviar 2To seagate barracuda 1To 
Optical DriveCoolingCoolingCooling
LG Blue ray EK-SUPREMACY NICKEL - PLEXI CPU Waterblock Lamptron Touch Fan Controller  NexXxoS Monsta 480 + Monsta 360 
CoolingCoolingCoolingCooling
SwifTech MPC35X + Phobya Balancer 250 Monsoon fittings + EK fittings + Monsoon Probe 2 x EK 7970 waterblocks nickel -/ plexi in para... 14 x corsair SP 120 high perf 
CoolingOSMonitorKeyboard
1 x corsair AP 120 High perf Windows 8 64 pro samsung T260hd Logitech K800 
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post #13518 of 33678
If it won't boot at 1.5v and 5ghz return it, rma it...give it to a friend or sell it. BAD chip.
post #13519 of 33678
Quote:
Originally Posted by ivanlabrie View Post

If it won't boot at 1.5v and 5ghz return it, rma it...give it to a friend or sell it. BAD chip.

hahaha that would be me tongue.gif
post #13520 of 33678
Attention: Valgaur
I officially submit my information data for [Official] Delidded Ivy Bridge Club Membership:

OCN name: ................ TonicX
CPU: .......................... i3770K
on die-TIM: ................. CoolLaboratory Ultra
ihs-TIM: ..................... CoolLaboratory Ultra
Mhz gained: ............... 400.1 MgHz
OC after delid: ............ 5200.1 MgHz
Temp drops: ............... 15* [ Hottest Core #3 before = 81* after = 66* @4500 intel burn test]
CPU-Z validation of max OC: .... http://valid.canardpc.com/2726703

Additionally, I Lapped the IHS completely flat top and bottom starting with 360 and 400 then 800 finally 1600 sandpaper.

I am looking forward to active participation in this Forum. I will freely share any other delidded data with you and those in persuit of performance!

Attachment 1
> OCN name on a piece.JPG
Attachment 2
> 4500 pre delid.JPG
Attachment 3
> 4500 post delid.JPG
Attachment 4
> 5200.1_OCmax_TonicX.JPG




Edited by TonicX - 3/11/13 at 3:37pm
   
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