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i5 2500k 4.7ghz it 1.47 volt - Page 2

post #11 of 35
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post #12 of 35
Did you try enabling CPU pll overvoltage op? And you might just have a bad chip, might want to lower it to 4.5-4.6ghz for 24/7.
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post #13 of 35
Quote:
Originally Posted by DaXxJaPxX View Post
this^^ lol. either a less then stellar mobo or chip. What your LLC set to?
75% on M4GZ
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post #14 of 35
Its probably your mobo. What are you using? My sig MOBO has few ways to address Vdroop. I need 1.46v in BIOS for 4.8 but it runs at 1.41 on Prime full load. Let us know what you're using.
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post #15 of 35
My vcore is around 1.408v under load at 4.8ghz... 1.47 seems quite high. Try googling sandy bridge overclocking guide and following some of the ones out there. Theres a good one on overclock.net actually that I used. Playing with the bios settings is the key to lowering that voltage I think.
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post #16 of 35
1.47v is too much for 4.7ghz
Try 1.4v, stress it. If stable drop it further

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post #17 of 35
Oh god.. voltage discussion again. Anyone remember here that every chip is different?
My current i5-2500k runs 4.5Ghz @ 1.34v. My first i5-2500k needed 1.395v for 4.5Ghz.

Both need around 1.465-1.48v for 4.8Ghz. You just can't say it's too much for 4.xGhz because yours does with less. Both of my i5's won't even boot to windows without cpu pll overvoltage when using 4.5Ghz or higher.
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post #18 of 35
Quote:
Originally Posted by donrapello View Post
Oh god.. voltage discussion again. Anyone remember here that every chip is different?
My current i5-2500k runs 4.5Ghz @ 1.34v. My first i5-2500k needed 1.395v for 4.5Ghz.

Both need around 1.465-1.48v for 4.8Ghz. You just can't say it's too much for 4.xGhz because yours does with less. Both of my i5's won't even boot to windows without cpu pll overvoltage when using 4.5Ghz or higher.
The probability that you need a voltage that far above average is pretty low. Just as low as when you need a voltage that far below average. There are other factors that have a greater likelihood for causing his overclock to fail.

Is there a thread containing SB overclocks with voltages in here by the way?
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post #19 of 35
Quote:
Originally Posted by TheBlademaster01 View Post
The probability that you need a voltage that far above average is pretty low. Just as low as when you need a voltage that far below average. There are other factors that have a greater likelihood for causing his overclock to fail.

Is there a thread containing SB overclocks with voltages in here by the way?
Yes, head over to the Sandy Stable Club. He's got a nice spreadsheet along with some bios templates.
post #20 of 35
Average overclock on a 2500K here on OCN seems to be 4,6GHz. 2600K does 4,7GHz on average most of them are below 1,4v even. Just a quick analysis though.

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