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== Haswell-E Overclock Leaderboard & Owners Club == - Page 2217

post #22161 of 22233
Quote:
Originally Posted by leonman44 View Post

Well bad news , after ocing and tightening my ram sticks numbers my cpu became again unstable and further vcore voltage ended on even more instability.
I backed to 4.6ghz oc using 1.42V and 1.92Vccin.

The good news is that i believe i did a good job on my ram oc from 2400mhz 15 15 15 35 2T i could do 2666mhz 12 13 13 30 1T using 1.45V , i believe its more beneficial than the extra 0.1ghz , what guys do you think about that?

That's a good trade off.

An extra 100mhz on CPU will equate to a 2% gain.

The memory timings at 2667 will bring more general performance.
post #22162 of 22233
Quote:
Originally Posted by leonman44 View Post

Well bad news , after ocing and tightening my ram sticks numbers my cpu became again unstable and further vcore voltage ended on even more instability.
I backed to 4.6ghz oc using 1.42V and 1.92Vccin.

The good news is that i believe i did a good job on my ram oc from 2400mhz 15 15 15 35 2T i could do 2666mhz 12 13 13 30 1T using 1.45V , i believe its more beneficial than the extra 0.1ghz , what guys do you think about that?

As far as I know everything greater than 1.3V will kill your CPU, if not instantly, slowly but it will damage your CPU.
1.42V is way too much
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post #22163 of 22233
Quote:
Originally Posted by sblantipodi View Post

As far as I know everything greater than 1.3V will kill your CPU, if not instantly, slowly but it will damage your CPU.
1.42V is way too much

Nothing wrong with 1.4v as long as temperatures are good.

degradation happens with high heat
post #22164 of 22233
Quote:
Originally Posted by Agent-A01 View Post

Nothing wrong with 1.4v as long as temperatures are good.

degradation happens with high heat

In stress tests I can hardly get as high as 80c in hottest core , in gaming is not even close to that , I will monitor my temps tomorrow to make it sure.
I don't mind if my chip gets degraded after 2-3 years because I will want to upgrade at that time! But I wouldn't like to happen before that... I might have to use my Intel oc warranty in 2018 (my last year of warranty) to get a fresh chip with a new lifespan , I might end up with a better oc too wink.gif
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post #22165 of 22233
Quote:
Originally Posted by Agent-A01 View Post

Nothing wrong with 1.4v as long as temperatures are good.

degradation happens with high heat
Voltage doesn't exactly help.
post #22166 of 22233
I finally have some time off and started playing around with my overclock.
First thing I did was set vcore 1.3 multi 44x and run 1 hour of realbench , everything stable and I got those values , are those safe or my MB defaults are too risky for a daily?
I think I can improve the previous OC profile that I used.

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post #22167 of 22233
Try to lower Vcore, I can get 4,4 with 1,26V
post #22168 of 22233
I'm just testing what voltages are too high if left on auto , vccin at 1.955 isn't too high? also what value is the system agent voltage? I can't seem to find it in hwinfo64
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post #22169 of 22233
1,3V is fine with this temps. everything ok. 1,955vin is on the higher side to. try to lower it. but not needed.

Played with my rig too. And i think im done with it. got my 24/7 Realbench and 15min occt stable:
Core 4700Mhz bios 1,260V CPU-Z shows 1,271 and hwingo 1,28. but thats wrong. if i rise or lower the voltage a bit it still shows 1,28V..
Cache 4500Mhz 1,2V
Ram 3200 cl14 1,35V
Sa 1,06V
More or less^^


who needs 8700k xD
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post #22170 of 22233
@solid9

Hi there

I would personally start with lowering vCore for now, 1.31v for 4.4GHz its bit high, my old 5820k (J batch) will do 1.22v at 4.4GHz which has been stable for rendering or gaming, in OCCT I needed to add bit more on vCore 1.24v

For 4.5Ghz I run 1.279v stable in rendering or gaming but not in OCCT where I needed to run 1.29v

For 4.4GHz I run 1.79v VCCIN,1.95v I needed for 4.5Ghz or 4.6Ghz

System Agent I would only touch if you are running faster RAM, but still I wouldn't go beyond 1.15v

On Cache side, depending on yours board if does have OC socket, if yes then I would suggest try with 1.05-1.15v for 40* on cache

@Streetdragon

You have pretty good chip there, yours temperatures are very good

I'm sticking with 4.5Ghz for now and its plenty for me now there

Hope this helps

Thanks, Jura
     
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