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Haswell Overclocking Guide [With Statistics] - Page 1010

post #10091 of 19539
I was hoping I could get my 4770k stable @ 4.5 but it doesn´t look good:
VCore: 1.3
Input: 1.9
Cache: 1.2
x264 HD Benchmark: Stable at 10 runs
Intel Burn Test: Stable at 12 runs with max. temps at around 86°C
Prime: BSOD after 10 mins frown.gif


Stupid Prime. frown.gif
Guess I´ll have to aim for 4.4 then.
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post #10092 of 19539
Quote:
Originally Posted by Mysterion90 View Post


What do you guys think is a safe 24/7 vcore? Is 1.275v ok?

Anything upto 1.3 is generally safe for air, but you should be more concerned about temps than volts
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post #10093 of 19539
Quote:
Originally Posted by Mysterion90 View Post

My i5-4670k is somehow an "interesting" chip. It does pass prime95 1344k with 4.0Ghz, 1.1vcore and 34x cache@auto voltage.

So I guess it is not that of a crappy chip, BUT it just won't do 4.5/4.6Ghz with a reasonable vcore. It needs ~1.4 vcore and 2.1 input for 4.5

I have no idea how much it needs for 4.6 propably 1.45vcore. Obviously I haven't pushed it that far because i'm under air. (Thermalright Macho HR-02)

Also for 4.2 it already needs ~1.175-1.2 vcore (haven't tested it enough to be sure)

And for 4.4 already ~1.275 vcore.

What do you guys think is a safe 24/7 vcore? Is 1.275v ok?

max for haswell going by sins guide is 1.45 on air/water
so i would say 1.4v 24/7 is safe if your on a 2-3 year upgrade cycle
other wise 1.38v
post #10094 of 19539
Quote:
Originally Posted by Derp View Post

I don't see any ring voltage sensors to monitor in hwinfo. Is this yet another feature missing from gigabyte boards that other boards support?

^
post #10095 of 19539
Thanks.

Well if everything up to 1.45v is safe, I guess I'll give it another try and push 4.6

When I tested 4.5@1.4v temperatures did not exceed 85°C.

I just want it to be benchstable because the i5 4670k is definetly the bottleneck in 3dmark 11.
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post #10096 of 19539
Quote:
Originally Posted by Derp View Post

^

CPU VRIN in same section as Vcore
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post #10097 of 19539
Quote:
Originally Posted by Minusorange View Post

CPU VRIN in same section as Vcore

Looking for ring/uncore voltage monitor, not VRIN.
post #10098 of 19539
Quote:
Originally Posted by Derp View Post

Looking for ring/uncore voltage monitor, not VRIN.

I guess if your board does not support it, there is no way other than to set the voltage to a fixed value. My board does not support it either, If I leave it @auto I'm not able to read it out, it just says "adaptive".
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post #10099 of 19539
Quote:
Originally Posted by Derp View Post

Looking for ring/uncore voltage monitor, not VRIN.

Sorry misread, yeah I don't have it either so must be a gigabyte thing, ring frequency is there but nothing for volts
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Lightning Stryke
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Seagate Barracdua 2TB Hitachi Deskstar 1TB Hitachi Deskstar T7K500 400GB SATA-II 16MB Cache Samsung SH-S203NBEBN 20x DVD±RW SATA Dual Layer  
CoolingCoolingCoolingCooling
Phanteks PH14TC-PE_BL Cooler Master 200mm Cooler Master 120mm Cooler Master 140mm 
CoolingOSMonitorKeyboard
Bitfenix Recon Windows 7 Professional BenQ G2420HDBL Logitech G15 
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post #10100 of 19539
Hey guys this is my 1st post in this thread, been lurking for a while but recently bit too busy to do to much.
I have a Gryphon mobo and Zalman CNPS9900 Max air cooler and 4770k with 16G of G.Skill Trident X F3-2400.

When I tried stepping up the volts I couldn't get past 4.4 so I gave up for a while. Then I simply put the bios setting into "performance mode" ... it went straight to 4.3 w/o any other changes ... too easy. After a few weeks I checked the per core multiples and found them at 43,43,42 & 41. Wow that's just too easy. RAM was set at 1.65v for 2400.

So I kept it in "Performance" mode and simply upped the per core, at 46,46,45 & 44 I get a stable 4600 readout fro cpu_z at a low 1.27v. If I go to 4700 windows crashes after a while so I keep it at 4600. I'm on air so my temps hover around 80C when using Aida64 Extreme stress test but no trouble.

So basically I've done minimal tweaking but got a reasonable result thus far, question is what should be my next move to make 4700 more stable ?
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