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post #61 of 69
Quote:
Originally Posted by renji1337 View Post
hmm im just wondering if 4.5ghz will degrade my i5 2500k bad, or atleast degrade faster then 4ghz
You shouldn't degrade at 4.5 ghz. The MOST that will happen is you may need about a 0.02v bump or so after awhile, but it should stablize long term. That vcore is very good for 4.5 ghz.

My 2600k (the lower vid, higher clocking one) was prime stable at 4.5 ghz 1.236v for 2 months, until I started suddenly running prime at 5 ghz trying to get into the 5 ghz club. That caused degradation and also affected lower overclocks, as now 4.5 ghz requires 1.260v for 12 hour blend stable. And I think it's borderline stable, as 0.05v lower vcore causes a BSOD after 9 hours (though I could raise the PLL voltage to stop that from happening), but 1.248v with PLL @ 1.86v gives a rounding error after 5 hours, while PLL at default (1.8v) = BSOD after like an hour or so...
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post #62 of 69
Quote:
Originally Posted by grunion View Post
I've seen degradation at my 5.4GHz voltage, just a week a go it needed +.190, yesterday it needed +.205.
I've probably spent 2 hrs total at 1.52v-1.55v, pretty much running benchmarks the whole time.

Also Crysis for me shows improvement all the way up to 4.8ghz, but not at 2560x1600, that's all gpu power.

This is 3.3 vs 4.8...


Attachment 212709
Grunion: What voltage do you need for 5 ghz? And is this on a 2500 or 2600k? And yeah, about 12 hours or so of prime at 5 ghz 1.404v (and some 1.416v load, but like many hours of Bad company 2 at 1.428v load made my CPU need at least 1.440v load for the same thing now (Prime which I refuse to run now except at 4.5 ghz, and Bad company 2).
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post #63 of 69
Thread Starter 
Quote:
Originally Posted by Falkentyne View Post
Grunion: What voltage do you need for 5 ghz? And is this on a 2500 or 2600k? And yeah, about 12 hours or so of prime at 5 ghz 1.404v (and some 1.416v load, but like many hours of Bad company 2 at 1.428v load made my CPU need at least 1.440v load for the same thing now (Prime which I refuse to run now except at 4.5 ghz, and Bad company 2).
would it degrade if its always at 1.25v though? i don't have offset voltage unless i set voltage to auto in which makes it like 1.37v

basically when my pc is idle its at 1.25v and 1600mhz clock, is that bad? i know with the 1.15v for 4ghz its ok
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post #64 of 69
Grunion were you running +.190 with LLC enabled? If so your voltage was probably quite a bit higher than 1.55, probably closer to 1.6v or more.
    
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post #65 of 69
There's a lot of vdroop with offsets so that the load voltage is significantly lower than what the offset+VID adds up to.

1.390v + +.150v offset adds up to 1.540, but with LLC1 and C1E its 1.524v light load/1 thread and 1.512v typical medium load and 1.50v max load. And 1.12v idle. I actually forgot if that was my offset but its around there.
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post #66 of 69
Quote:
Originally Posted by Falkentyne View Post
Grunion: What voltage do you need for 5 ghz? And is this on a 2500 or 2600k? And yeah, about 12 hours or so of prime at 5 ghz 1.404v (and some 1.416v load, but like many hours of Bad company 2 at 1.428v load made my CPU need at least 1.440v load for the same thing now (Prime which I refuse to run now except at 4.5 ghz, and Bad company 2).
2500k/1.448 load, that's stable at everything, gaming, 12hrs prime, several ibt runs, 12 hrs of memtest.
I've not seen any degradation below 5.4ghz, all other profiles are running fine.

Quote:
Originally Posted by BallaTheFeared View Post
Grunion were you running +.190 with LLC enabled? If so your voltage was probably quite a bit higher than 1.55, probably closer to 1.6v or more.
I don't get wild fluctuations with llc enabled.
My 24/7 profile is 100x48, idle is 1.4v, load is 1.384v.
And as mentioned, 5.4 is 1.55v idle, 1.52v, load.
Edited by grunion - 5/28/11 at 3:21pm
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post #67 of 69
Thread Starter 
what about the fact i run 1.25v even when idle >_> is that bad
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post #68 of 69
Thread Starter 
Quote:
Originally Posted by renji1337 View Post
what about the fact i run 1.25v even when idle >_> is that bad
so im guessing 1.25v 24/7 even when idle is ok?
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post #69 of 69
Quote:
Originally Posted by renji1337 View Post
so im guessing 1.25v 24/7 even when idle is ok?
yes it's fine.
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