i5 Overclock Vcore 1.282 4.7ghz on evo212 @ 77.c

JJPP · Jun 1, 2013

Is this a decent result, idle temp is mid 30s. temp is 77.c after 15mins on prime 95. using Evo212 cooler w/ nzxt 410 case. At what vcore level am i going to damage the chip?

Someone Somewhere · Jun 1, 2013

That's very nice - assuming it's actually stable. 15 minutes isn't enough to tell with prime95, and you need to actually turn on error checking. Try twenty or so rounds of IntelBurnTest.

I wouldn't go any higher - consensus seems to be 1.25-1.30V for long term safety.

KnowItAll · Jun 1, 2013

Temps way too high, and only 15 minutes? Try an hour.

Someone Somewhere · Jun 1, 2013

Temp is on the edge of too hot, but it's not scream "TURN IT OFF" time. Should be OK, given it's not doing P95/IBT all the time.

JJPP · Jun 1, 2013

what are safe temps? I heard anywhere below mid- low 80 is safe

Someone Somewhere · Jun 1, 2013

Depends on if you mean safe as in "won't go up in smoke", or long term no degradation. If the latter, probably low to mid 70s.

JJPP · Jun 1, 2013

since i was getting 4.4 ghz with no voltage increase and on stock cooler, seems the 45 $ for the evo 212 wasnt really worth it for only + 300mhz

Someone Somewhere · Jun 1, 2013

You overpaid if it was $45 (or you aren't in the US).

Sounds like you got a beautiful chip, if that was actually stable. You haven't done any more rigorous testing though, so we don't know.

JJPP · Jun 1, 2013

lowered the clock to 4.6 ghz and offset to + 0.070 did, 20 rounds of intel burn at standard level but temp reached 84.c which seems too high so probably wont bother testing at 4.7ghz or might fry the chip.

JJPP · Jun 1, 2013

no errors though

Mt Power · Jun 1, 2013

I have mine at 4.7 ghz, 1.17 volts. after 12 hrs prime95, the temps get to 86c, which is well below the rated 105c limit. when playing games or anything "remotely taxing," i get a high of 68c.

Someone Somewhere · Jun 1, 2013

105C is sort of the "likely to go up in smoke" type limit - it's not safe long term.

JJPP · Jun 2, 2013

seems like intel burn test is a far more intense stress test as prime 95 runs all day n low 70s but 10mins of intel burn goes upto to mid 80s.. which is a more accurate representation of cpu temps under stress?

Someone Somewhere · Jun 2, 2013

Probably P95 is closer to what you would see - IBT is based off Intel's LinPack, probably the toughest stress-testing program around. It's designed to find any possible instabilities and get everything as hot as possible. Finding anything that will actually stress it as heavily as LinPack is quite difficult.

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i5 Overclock Vcore 1.282 4.7ghz on evo212 @ 77.c

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