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Haswell Overclocking Guide [With Statistics] - Page 1399

post #13981 of 19526
Quote:
Originally Posted by ConnorMcLeod View Post

I was 4.5GHz 27.9 stable with 1.336 vcore, now i'm stable with 28.5 (FMA3 disabled) with 1.328.
x264 requires 1.360 for me though, haven't tested it yet with adaptive 1.306 may be it can ok.
I'm stable at gaming though.

Again, this seems very strange to me because I haven't seen anyone else have this experience. Are you absolutely certain that for your setup, x264 v2 requires more Vcore than prime95 27.9/28.5 with FMA3 disabled? Prime runs hotter, draws more power and has always been excellent at detecting errors. It should need more Vcore than x264 v2.

4.4GHz @ 1.125 VID passes 100 loops of x264 V2 but fails prime95 28.5 blend with FMA3 disabled after anywhere from 30 minutes to 2.5 hours. Bumping Vcore up to 1.135 VID allowed prime95 28.5 with fma3 disabled to stress longer but still crashed at the 20 hour mark.
Edited by Derp - 7/13/14 at 12:46am
post #13982 of 19526
There is a slight chance higher voltage is safer on 4790k since the package circuits are upgraded. But I wouldn't want to be the first to test it. Any volunteers? smile.gif
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post #13983 of 19526
Thread Starter 
Quote:
Originally Posted by fateswarm View Post

There is a slight chance higher voltage is safer on 4790k since the package circuits are upgraded. But I wouldn't want to be the first to test it. Any volunteers? smile.gif

I volunteer fateswarm! :devil:

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post #13984 of 19526
Hm. 1.42v for 6 months. If it survives, 1.45v smile.gif
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post #13985 of 19526
sold my old 4770K which couldn't go above 4.3GHz with anything below 1.3V.
got myself a 4790K. it ain't any better. well, i can get it stable at 4.5GHz @ 1.235V. but that's it. tried everything up to 1.285V on the Vcore (because i'm currently one a crappy cooler - was hoping to get a better cooler if it scaled well, but don't feel liking shedding money on it now) and 2.05V on VRIN.

basically, it got 0x124 until i upped the Vcore. then i got 0x101. then it raised VRIN. then i got 0x124 again. so i raised the Vcore and then again, 0x101...this was a never ending battle. i had the uncore locked at 40x with AUTO volts - that's 1.220V. also tried it at 1.15V.
post #13986 of 19526
Quote:
Originally Posted by Derp View Post

Again, this seems very strange to me because I haven't seen anyone else have this experience. Are you absolutely certain that for your setup, x264 v2 requires more Vcore than prime95 27.9/28.5 with FMA3 disabled? Prime runs hotter, draws more power and has always been excellent at detecting errors. It should need more Vcore than x264 v2.

4.4GHz @ 1.125 VID passes 100 loops of x264 V2 but fails prime95 28.5 blend with FMA3 disabled after anywhere from 30 minutes to 2.5 hours. Bumping Vcore up to 1.135 VID allowed prime95 28.5 with fma3 disabled to stress longer but still crashed at the 20 hour mark.

I've only run 1h of prime with 1344 fft, then swiched to x264 test, because i thought it was stronger test, dunno about blend test requirements.
Anyway, had a crash in the night while gaming with vid 1.304, so i gonna switch back to p95 27.9 setting that i'm stable with.

Quote:
Originally Posted by fateswarm View Post

There is a slight chance higher voltage is safer on 4790k since the package circuits are upgraded. But I wouldn't want to be the first to test it. Any volunteers? smile.gif

Sure, send me a 4790K smile.gif
Edited by ConnorMcLeod - 7/13/14 at 1:52am
 
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post #13987 of 19526
Quote:
Originally Posted by Anusha View Post

sold my old 4770K which couldn't go above 4.3GHz with anything below 1.3V.
got myself a 4790K. it ain't any better. well, i can get it stable at 4.5GHz @ 1.235V. but that's it. tried everything up to 1.285V on the Vcore (because i'm currently one a crappy cooler - was hoping to get a better cooler if it scaled well, but don't feel liking shedding money on it now) and 2.05V on VRIN.

basically, it got 0x124 until i upped the Vcore. then i got 0x101. then it raised VRIN. then i got 0x124 again. so i raised the Vcore and then again, 0x101...this was a never ending battle. i had the uncore locked at 40x with AUTO volts - that's 1.220V. also tried it at 1.15V.

Try 800Mhz on Uncore and 800Mhz on RAM to discount that for a start.
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post #13988 of 19526
Quote:
Originally Posted by fateswarm View Post

Try 800Mhz on Uncore and 800Mhz on RAM to discount that for a start.
After that what? Raise just Vcore? When do I need to increase the input voltage?
post #13989 of 19526
Quote:
Originally Posted by Anusha View Post

After that what? Raise just Vcore? When do I need to increase the input voltage?
you were on the right path. I raise input voltage when its throwing 101 bsod. Unfortunately looks like you're going to be above 1.3v on core though.
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post #13990 of 19526
Seems like I'm having a really hard time getting it to run 4.7. I switched to the x264 stability test which usually crashed my system within the first minute or so. Amped up the vcore by 0.005 at time and when it passed the first loop and had done 35% on the second I thought I was at the needed juice or close. BSODed with the Watchdog_timeout. Whenever it does that it sets my computer in a boot up loop, after a few restarts it usually boots up again. This time it didn't so after I gave up waiting for it I powered it off and on again to get it working with a message that the overclock failed.

After this, even after upping the vcore with 0.0010 it just refused to boot at all. Dropped the multiplier to 46 instead and it finally booted. Is there some setting I'm missing I should be looking at? Cache is at 1.2, vcore was at 1.330 input at 2.000 and i had the offset's to 0.300.
    
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