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i7 2600k overclocking questions

post #1 of 3
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Ok so guys I just got my i7 2600 build today! After tinkering a bit with it I was able to achieve at 4.8GHz overclock with 1.35v (1.376v under load). However, my temperatures load at 80C with a Corsair H50 push/pull (ambient is 20/21C). So I have a few questions regarding this overclock and the i7 2600k in general:

1.) What is the max safe temperature for 24/7?
2.) Voltage...?
3.) Is it better to have extreme or normal LLC?

And also, what cooler do you guys recommend me getting? Something that will out perform the H50...I tried 5GHz but the temps were too high for my liking (almost 90C load) so I just stopped.
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Buena Vista
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4790K [4.6GHz] [1.25V] Asus Maximus VII Formula [BIOS 3003] NVIDIA GTX 1080 Ti FE [2050MHz] [12GHz QDR] Samsung MV-3V4G3 16GB (4x4GB) DDR3 2133 
Hard DriveHard DriveHard DriveHard Drive
Intel 535 Series 240GB [RAID 1] Crucial M500 960GB Seagate Barracuda 3TB Western Digital VelociRaptor 500GB [RAID 0] 
CoolingCoolingOSMonitor
Corsair H110i GT (Qty 2) Phanteks PH-F140XP Microsoft Windows 10 Pro [64-bit] Dell S2716DG [G-Sync] 
KeyboardPowerCaseMouse
Razer BlackWidow Chroma EVGA Supernova G2 1300W NZXT H440 [Black/Red] Logitech G900 
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post #2 of 3
Nice rig.
Well first of all, what program are you running to make your temps read that high?

You have to remember that there is a world of difference between running something like Prime 95/LinX, versus normal standard programs or gaming.
The only thing that comes close is crunching (folding), and folding= electric bill (it's not for poor people who are struggling to pay their bills).

If you're getting 80C under prime blend or LinX/Linpack, then try just playing some games (you seem like a gamer, judging from your handle (assuming you're age 17 right?) and azn lol). What games do you play? Black Ops? Rift? CSS? Free to play shooters or rpg's? Try running some of those games and testing your temps. I think you'll find them quite a bit lower.

Even running a chess engine like Deep Rybka 4 won't quite approach the temps of prime blend, after the first 1024k or 512k loop (the first loop is always the coolest, then it heats up fast).

As long as you can keep your stress test temps UNDER 85C, you should be fine.

The reason people go nuts over stress testing, is because they want to stress their cpu's under the worst possible conditions. This insures that if they pass these tests, then NOTHING normal will bring their system down.

While this is a decent philosophy, it's also VERY possible that repeated LinX/Prime runs at high temps and high voltages and power draw are simply NOT good for the chips, and can lead to degradation. This HAS happened to people, but this is NOT a firm rule. There are some who have had no degradation at all. I saw degradation on my "cool" running QX9650 by repeatedly doing 50 loop Linpack runs. When I stopped doing my "OCD" (yes I have OCD) runs, and just started playing games, the degradation stopped.

There may be some weird theory about chips that run hot but have low VIDs being more responsive to voltages than chips that run cooler, but have high VIDS. If a chip needs high voltages for a certain speed and runs cool, it might be "low leakage", and may be more resistant to voltage changes. I don't know which one will cause more degradation, though. I will say that my "cool" running 2600k degraded rather fast, despite VERY low time spent on stress testing (maybe only 3 hours *max* running prime on multiple intervals), while my hot, low VID 2600k only had a very small degradation, and passed the same 4.5 ghz/1.238v prime run that it passed a week before (1.224v caused a BSOD), and my last short 5 ghz/1.404v run passed last week (afraid to test it again).

(the older "cool" chip needed 1.28v for 4.5 ghz prime and 1.480v for 5 ghz, and it had a higher VID).

But I've only had the "hot" chip a week so its WAY too early to be sure.
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SB Rig
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i7-2600k Gigabyte P67A-UD5 B3 R9 290X 16GB 
Hard DriveOptical DriveOSMonitor
WD 2 TB, WD 1 TB, 250gb Liteon ihbs212 blu-ray burner/reader XP+W7 Benq XL2720Z 
KeyboardPowerCaseMouse
Ducky Shine 69/Year of the Goat/Shine 5 Seasonic Platinum X1000 Corsair 760T Logitech G502 with r0ach approved ™ sensor 
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Puretrak Talent 
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post #3 of 3
Quote:
Originally Posted by Aznboy1993 View Post
Ok so guys I just got my i7 2600 build today! After tinkering a bit with it I was able to achieve at 4.8GHz overclock with 1.35v (1.376v under load). However, my temperatures load at 80C with a Corsair H50 push/pull (ambient is 20/21C). So I have a few questions regarding this overclock and the i7 2600k in general:

1.) What is the max safe temperature for 24/7?
2.) Voltage...?
3.) Is it better to have extreme or normal LLC?

And also, what cooler do you guys recommend me getting? Something that will out perform the H50...I tried 5GHz but the temps were too high for my liking (almost 90C load) so I just stopped.

did you follow a guide for these OC?

Max safe temp: keep it under 85C although most users like it under 70-75C
Max Volts: I believe it is 1.5v(don't quote me on that though)

I'm running at 4.8ghz at 1.35v and my max temp is 66C and I'm in california lol. Thats 66C on Linx


use this as a guide

http://www.hardforum.com/showthread.php?t=1578110
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