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Safe i5-2500K OC?

post #1 of 6
Thread Starter 
Okay so let me start of with saying I just purchased some new hardware for my build. I was currently running a Gigabyte Z68A-D3H-B3. It was a low end board for the budget i was on at the time so i got it. I Oc'd it and got a stable OC at 4.5GHz with a max temp of about 80 degrees and 1.344 v. I just got a high performance Asus P8Z77-V LX mobo today and got it all installed and they had some videos from their techs about their built in tuning through windows software. at first i was sceptical but when i update my bios from the software I was amazed. So they got into a guide of OCing these boards and there is a feature called auto tune. It is a software program that comes with the rest of the software when you buy the board. they were using this and stating this is the safest way to OC their asus mobos. What it does is tests live on screen multipliers and stress testing them and in the background adjusting voltages etc in the background. but anyway I did this and got to 4.5 crashed rebooted and it went for another run to push farther and got to 5.0 GHz at this point crashed again then tried again and crashed so they stated my max stable OC based on their software is 5.0GHz which is what im running right now and it's lighting fast. The stuff im concerned about is i ran cinebench 11.5 cpu test with auda 64 extreme on another screen and on aida 64 I hit max voltage at 1.544v and a max temp of about 86. the tempurature seems pretty damn good for 5.0 Ghz but is that voltage safe. I'm a hardcore gamer gaming ALOT with WoW, BF3,TombRaider,Crysis, games with high res. Is that 1.544Ghz going to shorten or damage my CPU in long term?

Build:

mobo: Asus P8Z77-V LX
graphics card: radeon hd 6850 (Radeon 7950 vapor-x in a day or two)
CPU: Intel i5-2500K
Cooler: Corsair H80 watercooling system. with 2 extra 120mm case fans and a very well ventilated case.
Ram: Corsair vengeance 8GB 1866 DDR3 running at 1600. (should i kick it to 1866 or leave it at 1600?)


Pl 5.0.PNG 1558k .PNG file ease help?!?!
post #2 of 6
Personally I wouldn't take it over 1.5V.
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Black Z170
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post #3 of 6
personally I wouldn't run over 1.4v on sandy. Over 1.5v is asking for trouble. I've owned 3 i5 2500K's (all of them pretty poor overclockers) and 4.5GHz seemed to be the sweet spot for stability/voltage.

Also being a gamer, you probably don't want your computer randomly BSOD'ing during a WoW raid/pvp or online FPS match, so I would focus more on stability if i were you. Try to keep your temps below 72c if longevity is a concern, since that's the maximum recommended Tcase temp by Intel (roughly 80-85c core temps). I used to burn test in the 80's for short periods of time, but if you're stress testing overnight at those temps you're just unnecessarily roasting your chip.

1.544v with 86c temperatures is probably at very high risk for Electromigration
Edited by s74r1 - 6/8/13 at 4:50am
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Cygni
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post #4 of 6
Yeah, usually the rule of thumb is to not surpass 80c and don't surpass the 1.5v. The latter of the rule is usually just to control temps and make sure your processor doesn't explode, but once you go underwater or LN2 or whatever dafuq u do, and your temps are controllable then its fine. But looking at your scenario, I would say not safe. Intel states that the maximum voltage you should push it to is 1.5v, also those temps are looking at the high side. 86c may be okay, but your sandy most likely won't last very long, or it may even cause degradation, basically forcing you to push even more volts in order to achieve the same overclock.
Just downclock it and it'll be okay.
(it is a bit ironic that this is coming from a guy who has a 4.9ghz 1.44v 2500k, 80c max temps on prime95, but I like to live on the edge. wink.gif )
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post #5 of 6
even though intel states 1.5v max, it's been well discussed that above 1.4v can lead to degredation, but everyone has their own opinions.
Cygni
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Acer Predator X34 34" IPS/G-Sync Curved UltraWi... Logitech G910 Orion Spark Mechanical RGB Gaming... EVGA SuperNOVA 1000 P2 w/ Noctua NF-P14s Redux Lian-Li Armorsuit PC-P50R w/ W-LM2AB-1 side pan... 
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Cygni
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CPUMotherboardGraphicsRAM
Intel Core i7 4790k 4.7GHz delid w/ CLU Asus Maximus VII Formula GeForce GTX 1080 FE w/ fullcover block 32GB (4x8GB) G.Skill TridentX 2400MHz CL10 
Hard DriveHard DriveCoolingOS
Samsung 950 Pro 512GB NVMe M.2 Sandisk X400 1TB mSATA SSD Custom Liquid Cooling Loop Windows 10 Pro 
MonitorKeyboardPowerCase
Acer Predator X34 34" IPS/G-Sync Curved UltraWi... Logitech G910 Orion Spark Mechanical RGB Gaming... EVGA SuperNOVA 1000 P2 w/ Noctua NF-P14s Redux Lian-Li Armorsuit PC-P50R w/ W-LM2AB-1 side pan... 
MouseMouse PadAudioOther
Logitech G900 Chaos Spectrum Logitech G240 Cloth Gaming Pad HDMI->Custom 7.1 Home Theater Sony Dualshock 4 Controller 
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post #6 of 6
Thread Starter 
Thanks for the replies guys and I ended up receiving warnings through aida64 benchmarks that appear on my screen when ever i exceed 1.55v. But I messed around with the vcore and got my 5GHz at about 82 C and 1.488v at max loads and idleing is around 38-40 C and 1.17 v. So Wouldnt you guys think that if a max load cant take it over 1.5 v and 90 C that gaming even really high res wont push it nowhere near that?!
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