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Vcore hungry 2500k has me a bit concerned! - Page 2

post #11 of 23
Thread Starter 
Quote:
Originally Posted by WonderMutt;14429393 
I can't believe you're hitting those kinds of temps w/ an H50 regardless of your VCore at 4.5GHz. What's your ambiant temp? That could be contributing to the high temps. My sigrig is currently running at 4.7GHz with my VCore at 1.43 with a Hyper212+ and my temps never go over 68C (but my ambiant temp stays at 21C as my computer is in my basement office).

Personally, though, I don't think you have to worry about the temps. I ran my 2500K at 4.1GHz on the stock cooler for 2 months with my temps hovering around 80C and never had an issue. Is your chip going to degrade faster than stock? Yes. Fast enough for you to be concerned? No. These chips are made to last up to 10 years, so even if you knock a couple years off that, you're still going to replace your system before your chip gives out. Just because it's OCed and running a little hotter than stock, you're not going to lose that much in the lifespan. I mean, I don't know about yours, but mine stock was at about 58C on the stock cooler, so I wouldn't worry about being at 73C. JMHO. Hope it helps.

106* degrees outside, and there's still a minor hole in my roof from the tornado so all the cold air kinda gets sucked out lol. My room does get pretty damn hot during the day, so I figured that would play a big role in my temps. But at night, PC gets really cool and my room is hella cold. Not sure of a specific temperature, but it does get pretty hot.
 
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post #12 of 23
Quote:
Originally Posted by Dustin1 View Post
106* degrees outside
What more does he have to say....
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post #13 of 23
Quote:
Originally Posted by Tunagoblin View Post
What more does he have to say....
I know right.... My pc room never goes above 70f/21c.

Ambient temps play a huge roll, so yeah that isn't helping.

And although I am on water cooling OP, that does not negate the fact you are well within tolerated voltage and temps for what you are running 24/7.
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post #14 of 23
Thread Starter 
Yeah, I just thought that the vcore was a little too much at that clock. But thanks guys, definite load off my shoulders
 
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post #15 of 23
Quote:
Originally Posted by Tunagoblin View Post
I'm pretty sure more than 90% of SB can get to 4.6.
Stable or not, if you can't even boot window at 4.6 then most likely something else other than CPU itself is limiting it unless he's got very poor chip.
He's voltage and temp looks fine until 4.5 so why does he have to lower the clock even lower?
nothing wrong with that 4.5 set up he's got.

Also I and many people here test our system very thoroughly.
Including idle tests and gaming along with stress testings.
We know what stable means. My 4.8 has been crash/freeze/BSOD free for about 2 months. Many others have same "stable" systems.
We aren't just saying it. We actually have the stable systems.
There's no such thing as "more stable".
Your system is either stable or not.
woah there, didn't mean to offend you buddy. i'm just saying if he doesn't feel comfortable with the temps at 4.5 (which look fine to me) then he can bring it down to the next lowest clock, which for him was 4.2...not a major performance difference and his room stays cooler...

the other statement was that some people call things stable at high overclock based on a lot of tests, but end up BSODing every couple days with normal every day use. I wasn't trying to call you out, or anyone in particular, i'm just saying not all boards and procs are created equal and he doesn't need to follow what everyone else does based on some stability test because it may not be stable for him even though it proves to be that way in a test. you know what i mean?

also, i had my i7 at 4.6 for a while and it was prime, linx, and occt stable, but for some reason playing music for a long time it would just crash...i lowered it to 4.015 and my max temps are something like 55 in a 79 degree apartment, and it is "more stable" than it was at 4.6...even in media player...
    
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post #16 of 23
Quote:
Originally Posted by victorofhavoc View Post
woah there, didn't mean to offend you buddy. i'm just saying if he doesn't feel comfortable with the temps at 4.5 (which look fine to me) then he can bring it down to the next lowest clock, which for him was 4.2...not a major performance difference and his room stays cooler...

the other statement was that some people call things stable at high overclock based on a lot of tests, but end up BSODing every couple days with normal every day use. I wasn't trying to call you out, or anyone in particular, i'm just saying not all boards and procs are created equal and he doesn't need to follow what everyone else does based on some stability test because it may not be stable for him even though it proves to be that way in a test. you know what i mean?

also, i had my i7 at 4.6 for a while and it was prime, linx, and occt stable, but for some reason playing music for a long time it would just crash...i lowered it to 4.015 and my max temps are something like 55 in a 79 degree apartment, and it is "more stable" than it was at 4.6...even in media player...
Sorry, I didn't mean to offend you, either.
I get what you mean.
Did you set your vcore with offsets?
Sometimes it doesn't like the idle to moderate load vcore difference which makes it to BSOD.
I'm not 100% sure about this...
But I'm guessing that vcore can't catch up quick enough on moderate load or simply just not enough vcore on idle.
Either way, it could give you BSOD. And especially this happens on higher clock since the idle to load vcore difference are greater.
Usually to eliminate this, use higher LLC setting or bump up more vcore.
But again... I'm not so sure about this.
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post #17 of 23
Quote:
Originally Posted by Tunagoblin View Post
Sorry, I didn't mean to offend you, either.
I get what you mean.
Did you set your vcore with offsets?
Sometimes it doesn't like the idle to moderate load vcore difference which makes it to BSOD.
I'm not 100% sure about this...
But I'm guessing that vcore can't catch up quick enough on moderate load or simply just not enough vcore on idle.
Either way, it could give you BSOD. And especially this happens on higher clock since the idle to load vcore difference are greater.
Usually to eliminate this, use higher LLC setting or bump up more vcore.
But again... I'm not so sure about this.
i only set the offsets as great as the difference between the RAM voltage and Vcore...i mean, it was stable enough to game on for a good period of time, it just didn't like playing music for a long time...after i get a larger radiator and a waterblock for my 580 i'm going to reoverclock and see what happens...this time with much more tweaking in place
    
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post #18 of 23
Thread Starter 
Just an update for you guys...

I've been tweaking with my BIOs since 9:00 PM, and it's now 2:08 AM..

I got my 2500k to run at 4.5Ghz with 1.285 vcore!

36* Idle / 60* Load under P95

So stoked. Lol
 
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post #19 of 23
Quote:
Originally Posted by Dustin1 View Post
Just an update for you guys...

I've been tweaking with my BIOs since 9:00 PM, and it's now 2:08 AM..

I got my 2500k to run at 4.5Ghz with 1.285 vcore!

36* Idle / 60* Load under P95

So stoked. Lol
That sounds more in the ballpark. Also, once you get things fixed and the temp stablized (and cooler) you'll definately be able to push even further. Good luck with it!
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post #20 of 23
I do not mean to hijack your thread in any way OP, but I'd like to say that I'm experiencing the same sort of issue (as we speak!) I think/thought I got a bad batch 2500k, because I had it at 4.5GHz @ 1.33v for the past 3 weeks no problems, but over the past 3 days I've gotten two BSOD's, and it looks like it's from a hardware failure.

I personally suspect the video card is to blame because it's a used one from a friend that already has snow/artifacting problems in games which I knew before I installed it, but I don't have another card to test my system with atm. In Prime95, when I tested it today, kept giving me an error "rounding 0.5 expected less than 0.4" within the first 10 minutes. From googling, it can be found that, that means your CPU needs more vcore. I bumped it all the way up to 1.35 and it still kept throwing up that error.

But like I said, in the past 2 weeks I never experienced any real world stability issues. ANYWAY, from what I've read, very few members need 1.33v+ to achieve 4.5GHz. The reason why I'm afraid to put any more vcore in is because, me being a noob (my first build) I can't get the thermal paste on right to save my life! I tried 3 times, better results than before by about 10C, but still not what I was looking for. At 4.5GHz and 1.33v ambient room temp about 80F, my CPU maxes out at 80C on some cores during Prime95, but stays at about 73-79C most of the time. In real world use though, I haven't seen it get higher than 68-72C.

I have it clocked down right now to 4.4GHz @ 1.32v, Prime95 has been running for half an hour with no errors or BSOD's. We'll see how it goes... But as it stands right now it looks promising.
Edited by EliteGamer83 - 8/2/11 at 12:16pm
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