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I want more from my i7-2600K - Suggestions?

post #1 of 8
Thread Starter 
I've got my system stable with the i7-2600K CPU at 4.50 GHz simply using BCLK = 100.0 and CPU Ratio = 45. The voltage is set to 1.340V with Load-Line Calibration = Extreme. With Prime95 x64, my CPU seems to reach a peak temperature of 69°C. HyperThreading is indeed enabled and I want to keep it that way as I make use of it.

Any suggestions to get this up?
I fear adding more voltage will drive the temperature above and beyond the 80°C mark I set myself as "safety threshold". Everyone says every CPU like this gets to 4.50 GHz without trouble so I'm hoping I get more of an achievement out of this overclock!
Thanks!
    
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post #2 of 8
liquid cooling?
post #3 of 8
Liquid cooling will allow you to achiever higher clocks w/o extreme temperatures. Unless your comfort zone is ~80c you can probably overclock to 5.0 on the current cooler.
    
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post #4 of 8
Its true, most 2600k's can reach 4.5 at just about the voltage that you have it at, i would set it for 1.4v and see how high you can go with that, you might reach 4.7 -

If you want to see your CPUs actual potential, set it at 1.6v, and see the highest multi it will boot with, that will give you a suggestion on what you can potentially go to with various types of cooling. (i.e. if your CPU can reach 50X multi or higher, my personal 2500k will reach 53 multi)
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post #5 of 8
Thread Starter 
Thanks for the suggestions. I used to have a very performant watercooling system I built myself with some of the greatest hardware. After this recent upgrade, experiencing two leaks and noticing how time consuming it is, I decided to just cut my losses and sell all the watercooling stuff on eBay. Needless to say I'm really happy I went back to air cooling!!
I accept lower limits of voltage due to temperature as a result, but I'd like more than 4.50 GHz if at all possible!

1.400V sounds like a decent voltage to try but I fear this might drive my CPU temperature above and beyond 80°C, which I keep as my personal limit with Prime95. I can try it though - running 4.50 GHz on 1.400V to see what the temperature goes up to.
    
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post #6 of 8
post #7 of 8
What's your load voltage? If you have set the LLC to extreme (which is not really recommended) the voltage will surely be higher than the 1.340v that you set in the BIOS. I would say drop the LLC and use the vcore to compenstate what is required for your overclock, you have more control over the voltage that way, instead of using an LLC level that high.

Also I know every chip is different but I would say that the vcore is a little high for 4.5ghz, 1.34v under load is better but surely you can work it down can't you?


Take a look at the Sandy Stable Club, the spreadsheet will have all the info you need to make comparisons.
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post #8 of 8
Thread Starter 
The all-in-one watercooling kits are decent (I have a Corsair H50 sitting in a cupboard) but they tend to perform much like a high-end air cooler, so I'll keep what I have!

Indeed, I might lower LLC a bit and play with the voltage a bit to lower it but LLC at Extreme only adds 0.024V to my idle voltage anyway so it isn't much difference. I can have a play with it, though.
    
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Intel Core i7-5820K Haswell-E Asus ROG Rampage V Extreme Intel X99 EVGA GeForce GTX 1080 FTW Corsair Vengeance Red LED 32GB (4x8GB) DDR4-300... 
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Samsung 840 500GB SSD (SATA-6Gbps) Western Digital Black 1TB 64MB Cache HDD (SATA-... Western Digital Black 4TB 64MB Cache HDD (SATA-... NZXT Kraken X52 & 2x Corsair SP120 RGB 120mm Fa... 
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EVGA ACX 3.0 (Graphics Card) 4x Corsair SP120 RGB 120mm Case Fans IC Diamond 7 Carat Thermal Compound Microsoft Windows 10 Home 
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LG Flatron 34UM95-P 34" 3440x1440 21:9 IPS SteelSeries Apex 350 Low Profile RGB EVGA SuperNova G2 1000W Modular Corsair Crystal 570X RGB 
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