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2013 Ivy Bridge i7-3770k overclocking results

Rysandro

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#76
I found this thread by googling the batch number of my CPU, I also got my CPU from Tustin Microcenter.

Never even knew about "delidding" before stumbling apom this thread.

Figured I'd post my temps without delidding this CPU.

Specs are:

3770k @4.3 Ghz
Z77 Maximus Gene V
H100i with SP120 Quiet Edition Fans (about 1350 RPM)
Vcore 1.13 or 1.13 (got BSOD@ 1.10)
PLL Voltage 1.5

 
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#77
What batch number?
How high have you gone and what volts did it require?
 

Rysandro

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#78
What batch number?
How high have you gone and what volts did it require?
3231b415

I haven't tried overclocking further, I'm new to this and wanted too see how low I could drop the vcore and my temps

Can't figure out how to OC my Samsung Low voltage RAM either..
 
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#79
What's the issue with the ram? Laguna and I both have a set I think. I'm running 2000 9-10-10-20-1T atm, but that's because my IMC sucks. I've seen people push em to 2666 no issue.
 

Rysandro

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#81
What's the issue with the ram? Laguna and I both have a set I think. I'm running 2000 9-10-10-20-1T atm, but that's because my IMC sucks. I've seen people push em to 2666 no issue.
I assume I'm just not doing it right

BTW Laguna u wanna delide my CPU? ;). Lol
 
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#82
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#83
See if your CPU is a dud or not.
Set ram to auto, and then see what volts you need to boot up at 4.8ghz.
 
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#85
Yeah set 1.3v to see if u can fully boot to the desktop screen 4.8ghz. Set PLL up to 1.6v from 1.5v.
See how high u can boot 4 cores 8 threads at 1.3v, go as high as you can (47x, 48x, up to 50x).
 

Rysandro

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#86
Yeah set 1.3v to see if u can fully boot to the desktop screen 4.8ghz. Set PLL up to 1.6v from 1.5v.
See how high u can boot 4 cores 8 threads at 1.3v, go as high as you can (47x, 48x, up to 50x).


Ok but it's gonna be awhile.

Won't be home until like 6..
 
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#87
When did u get your chip?
Last time I went they were all out of 3241B415's and only had 3232A610's in the front case.
Did they have any 415's left in the back?
 

Rysandro

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#89
I can pass Standard Intel Burn Test @ 4.8 Ghz with 1.33 VCore (temps were really high!)

4.8Ghz @ 1.30 VCore will boot windows but BSOD during 2nd pass of Intel Burn Test


 

newhit

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#90
I can pass Standard Intel Burn Test @ 4.8 Ghz with 1.33 VCore (temps were really high!)

4.8Ghz @ 1.30 VCore will boot windows but BSOD during 2nd pass of Intel Burn Test
I got those temps on another 3770K and after seeing how much cooler and higher Laguna's chip ran I delidded my other chip and the temps dropped at least 15 degrees across the cores with another 5GHz Prime run possible (bit higher on Vcore didn't cause any probs either). I need to do a run at 4.8GHz to see how my temps look for 24/7 use.

Needless to say you have to be careful and not be stressed if you delid a chip. As laguna knows, I trashed one chip because the Stanley blade I was using cut into the PCB. I would suggest (just a suggestion, not a statement:)) that a single sided razor blade is better for the task.
 

Rysandro

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#91
I got those temps on another 3770K and after seeing how much cooler and higher Laguna's chip ran I delidded my other chip and the temps dropped at least 15 degrees across the cores with another 5GHz Prime run possible (bit higher on Vcore didn't cause any probs either). I need to do a run at 4.8GHz to see how my temps look for 24/7 use.

Needless to say you have to be careful and not be stressed if you delid a chip. As laguna knows, I trashed one chip because the Stanley blade I was using cut into the PCB. I would suggest (just a suggestion, not a statement:)) that a single sided razor blade is better for the task.
I'm scared, maybe I can just pay Laguna lol
 
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#92
Might stop by Microcenter today. We'll see if I get a decent one or not :).

If your goal is 4.6ghz, you don't need to delid.
4.7ghz maybe.
4.8ghz as demonstrated above, definitely.
 
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Rysandro

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#93
The scaling from 4.4 to 4.8 is annoying lol.

I can pass IBT @ 4.4 and 1.15 Volts with temps in the low 60's.

But need 1.32 or 1.33 Volts for 4.8 with 95 degree temps!?

Bye is it the voltage or the temps that " degrade" a CPU?

For example right now I get 63 tops @ 4.4 and 1.15 Volts.

If I can get the same temps @ 4.6 with say 1.25 Voltage the CPU would "degrade" at same rate?

Might not be using the correct terms but you get what I'm saying right
 
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#94
Intel states max safe volts 1.3875 somewhere I think.
Some ppl have degraded at 1.4v, others have been running 1.4v for over a year (albeit controlled temps).

Goal is to stay at or below Intel specs and under 80 load in general.

Hence the majority of 3770k overclocks are at 4.4-4.7ghz.

But nowadays few ppl keep their chips for longer than 3 years so minor degradation is not that much of an issue as it will still work fine at stock.
 
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#95
I'm ready to attack my chip :D

 
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#96
Test it first-no point delidding a dud
 
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#97
Just took that out to practice quickly. Didn't do it on a i7, lol. Still have to go to MC this weekend and pick up a new chip. Only if there was someone in Mass that new about the good batches at my MC.
 

Rysandro

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#98
Anything else I can do to get better stability and temps?

All I'm doing is disabling hyper threading, 45x100 multiplier, lowering and raising VCore accordingly, and every now and then raise or lower PLL to try to get better temps or pass tests..
 
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#99
Why would you disable HT? That's basically the point of getting an i7.
 

Rysandro

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Why would you disable HT? That's basically the point of getting an i7.
Actually all the screens ive posted have HT on, I turned it off to see if it made any difference while testing yesterday. All Ive noticed is that with HT on it runs a tiny bit hotter.

I also find it kinda weird that the GFLOPS in Intel Burn Test are actually about 15% higher with HT off vs On.