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Haswell Overclocking Guide [With Statistics] - Page 143

post #1421 of 19637
mine does like 70-75C under load at 43x and 1.2V; the temps rise according to voltages right?
 
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Pur Sang
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post #1422 of 19637
Quote:
Originally Posted by barkinos98 View Post

mine does like 70-75C under load at 43x and 1.2V; the temps rise according to voltages right?
Yes but how much depends on the chip. What's the load?
Just try, but don't let it get above 90c 95c stress testing(prime95 Aida or XTU) , so you know how much your chip can handle.
post #1423 of 19637
Quote:
Originally Posted by JellzRoc View Post

Very strange. Now after i've over clocked when i play games there are lag spikes...... Even at after a super stable 12 hour prime 95 test..

Just so you know I seem to have corrected this issue. On the Asus uefi there are some power saving options in EZ mode that most of you guys will probably skip. The options are energy saving, normal and performance. Just switch it to performance and lag issues dissapear. Not sure what setting or settings this changes in advanced mode but thats just a quick fix.
post #1424 of 19637
Can you go ahead and put me into that Google Docs sheet, Darkwizzie? See below for my stats.

Username: sum1quiet
CPU Model: 4770k
Core Multiplier: 46
CPU VID: not sure what this value is on my Formula board, only voltage specified is the Vcore - rest is auto.
Vcore: 1.31
Uncore Multiplier: 44
Uncore Voltage: Auto
Cooling Solution: Custom Loop
Stability Test: IBT x10
Batch Number: L312B376
Ram Speed: XMP 1600
post #1425 of 19637
Quote:
Originally Posted by MojoW View Post

Yes but how much depends on the chip. What's the load?
Just try, but don't let it get above 90c 95c stress testing(prime95 Aida or XTU) , so you know how much your chip can handle.
i got those temps at 100% load, while folding thumb.gif
i do believe still there is headroom but never got around to try to find the most i can do, but as soon as this WU finishes i'll be tweaking biggrin.gif
 
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post #1426 of 19637
Quote:
Originally Posted by barkinos98 View Post

i got those temps at 100% load, while folding thumb.gif
i do believe still there is headroom but never got around to try to find the most i can do, but as soon as this WU finishes i'll be tweaking biggrin.gif

Nice, then you certainly got some headroom.
Have fun tweaking biggrin.gif
post #1427 of 19637
Wanted to share my results with you guys, I have hit a wall with my Costa Rica 4770k batch 3313A943. Stuck at 4.2 @ 1.25V. Swiftech Apogee XT water loop. Either my chip sucks, motherboard sucks or both. Went up to 1.36V vcore and unstable at 4.4, temps hit 90 (delid bare die).

Mobo: Asrock Z87 Extreme4 Bios 2.30
All Core Multi 42x
Vcore 1.25
CPU cache 35x
Cache voltage 1.15
CPU Input 1.90

Using latest version of prime95

Stock


4200 delid bare die
post #1428 of 19637
Something intresting that ive noticed for those using windows 8 is that it appears to need more input voltage vccin/vrin to stay stable.... In other words and this on mutliple chips diff installs and diffrent mobos and sdd's including ram and psu to rule out anything else.

For example I can run 4.9ghz on win7 at 1.43v with vccin of 1.95 however...on Win8 the same overclock requires about a vccin of 1.98-2.0v to maintain stability on all levels. thumb.gif
Same bios versions btw 1.3 mpower max
Edited by Clexzor - 8/30/13 at 12:04pm
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post #1429 of 19637
How bad is it to hit 100C occasionally when stressing? I imagine it can't be as bad as BSODing..
post #1430 of 19637
Niether are that bad really but running 100c constantly can cause harm over weeks if not months...and bsods do not cuase cpu damage only will hurt your current installed image....and thats not even that common anymore.
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