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i7 3820 - 4820 Overclock Club - Page 41

post #401 of 6491
Quote:
Originally Posted by Distantscream View Post

well its called "stress testing" right? so sitting there repeatedly trying to get 24hrs stable is going to degrade your cpu at a increased rate, same as if you sat there playing BF3 for 24hrs staright, or video encoded 24/7, folding at home etc. except these thing may or may not 100% your cpu, stress testing does. right?

For a OC like 4.3GHz nah not really. You won't degrade unless your pumping in alot of voltage and are running hot. 4.3GHz can probably be achieved on 95% of these chips with stock volts.
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post #402 of 6491
ok you win, but still 4.3ghz? boooerns grow a pair lol
post #403 of 6491
Quote:
Originally Posted by Distantscream View Post

ok you win, but still 4.3ghz? boooerns grow a pair lol

I know your not talkin to me tongue.gif Ive had this sucker to 4.7GHz. I have no need for all that extra heat voltage for 24/7
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post #404 of 6491
Mines sitting at 4.750@1.370 for 24/7 clocks for like 2 months now(check earlier posts) but no i was egging on that other guy to go higher lol:D
post #405 of 6491
Quote:
Originally Posted by Distantscream View Post

Mines sitting at 4.750@1.370 for 24/7 clocks for like 2 months now(check earlier posts) but no i was egging on that other guy to go higher lol:D

Ahh, ok then tongue.gif

My rig spends alot of time idle and I like SVID (Offset) to work. No point in me pumping 1.38v through it when its in lazy mode biggrin.gif
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post #406 of 6491
Quote:
Originally Posted by Distantscream View Post

well its called "stress testing" right? so sitting there repeatedly trying to get 24hrs stable is going to degrade your cpu at a increased rate, same as if you sat there playing BF3 for 24hrs staright, or video encoded 24/7, folding at home etc. except these thing may or may not 100% your cpu, stress testing does. right?
sitting in your car with the peddle to the mat in neutral is gonna pop your engine alot quicker than if you just driving the **** out of it

ARRRRgggghhh, I can't stand PC/Car analogies it's the geeks version of apples and oranges. The problem with your analogy is flooring your car for a prolonged period will actually blow your engine and probably damage other parts. If your CPU degrades (which by the way takes 1000s of hours before most people would even notice even on a reasonable overclock) it simply requires slightly more voltage but otherwise runs the same.

The LGA 2011 platform hasn't been about long enough to determine how much the CPUs degrade through overclocking but his OC is easily achievable on less than 1.4v which is the maximum Intel recommend. Unless he's expected to keep his CPU for 10 years I don't think you need to worry to much about degradation let alone from a few stress tests (albeit long ones). See this graph...

http://images.anandtech.com/reviews/cpu/intel/2008/e8500-overclocking/Degradation.png

The middle line is the CPU at max voltage (with no other overclocking) running at full load. And it takes 3 years of 100% continuous load on the CPU to raise the VID a mere 0.025 (from 1.125 to 1.15) to achieve the same performance. Even if you use your PC for 12 hours a day that gives you 6 years (roughly obviously resting the CPU every day will lessen degradation even further).

So really, how much 'damage' is a 24hr stress testing doing to moderately clocked CPU?

P.S. If you play BF3 for 24 hrs straight you've got bigger issues to deal with than CPU degradation biggrin.gif
Edited by estebanrey - 4/11/12 at 3:54pm
post #407 of 6491
Quote:
Originally Posted by Distantscream View Post

ok you win, but still 4.3ghz? boooerns grow a pair lol

I guess, I am a huge ***** for being happy with an overclock that's only 20% on an offset in the -. The only reason to OC is for epeen right? I should probably know my 3dmark vantage score off the top of my head too right?

It's not about the numbers game to me. I want a rock solid stable computer at stock temps on less than stock voltage. Those are the goals I outlined for this rig when I spec'd it. I did the numbers game on my Barton-M, which died after 2 years at 1.38v. As for your comment about running the PC at 100% degrading it, you're full of ****, the voltage running across the chip is negligible as is the heat, it's not much more wear and tear than surfing the net (it is some, but not the way your comment would imply).

I suppose thank you for the "help", perhaps I'll come back when I'm looking to do 5ghz.
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post #408 of 6491
I'm with you Sneaky, I'm only trying to get a big score because it's my new toy and I wanna see what's it's capable of. At this moment in time I'm running at 4.6GHz (200MHz slower than I reported earlier) just because I'm only browsing tinternet. The great thing about modern MoBos is you can save numerous OCing profiles at choose on boot what speed you want.

When I get bored, I'll probably settle for the 4.4GHz mark tbh.
post #409 of 6491
Heck, I don't even run prime for more than 2 hours at a time anymore. If it's stable for a two hour burn at 100% usage, I move on to gaming since it's the most taxing thing I do with my rig. If I have problems with crashing in game, I up the voltage a hair. Been working for me so far.
Edited by Ramsey77 - 4/11/12 at 3:59pm
 
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post #410 of 6491
Quote:
Originally Posted by Ramsey77 View Post

Heck, I don't even run prime for more than 2 hours at a time anymore. If it's stable for a two hour burn at 100% usage, I move on to gaming since it's the most taxing thing I do with my rig. If I have problems with crashing in game, I up the voltage a hair. Been working for me so far.

That's my typical M.O. except I go 8 hours, but it crashed in Civ after 5 hours of play, and I didn't want it happening again. I'm pretty sure it's an eyefinity bug though.

I'm still curious as to why I'm not able to go a full 24 hours. I think I'm going to start a prime on stock tonight (it failed a worker while I was at work 7hrs in) and see if it's crashing.

As for my low clock speed, it's the same reason as Captain, I found that the offset wasn't scaling at a bclk higher than 100 and I'm pretty sure the strap is tied to the bclk on my board.
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