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Old Jan 10, 2012, 01:57 PM   #1
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New 2500K Overclocking

I just got my 2500K a couple of days ago and it's time to overclock. Here are some results.

56K BEWARE


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Old Jan 10, 2012, 02:21 PM   #2
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Nice!
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Old Jan 10, 2012, 02:39 PM   #3
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I must have a bum chip, I need way more vcore for 4500
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Old Jan 10, 2012, 02:51 PM   #4
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Nice, but it's kinda normal for these chips. Like the voltage though.
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Old Jan 10, 2012, 02:51 PM   #5
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Nice!
Thanks. I had her running 4Ghz at 1.15V as well. This voltage was simple a random choice, I may be able to get better. But I'll OC higher before I drop voltage.

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I must have a bum chip, I need way more vcore for 4500
You have a 2600K don't you? I thought the 2600K required more V to OC anyway?
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Old Jan 13, 2012, 05:39 PM   #6
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I must have a bum chip, I need way more vcore for 4500
same i need 1.335
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Old Jan 13, 2012, 05:41 PM   #7
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Thanks. I had her running 4Ghz at 1.15V as well. This voltage was simple a random choice, I may be able to get better. But I'll OC higher before I drop voltage.



You have a 2600K don't you? I thought the 2600K required more V to OC anyway?
it really is the luck of the draw mate. My 2600k doesn't need as much V for the same clock as my 2500k. No idea why apart from having a dud 2500k.
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Old Jan 13, 2012, 05:43 PM   #8
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My 2600K needs 1.35-36 to be stable at 4.6. Not bothered really as it's on water and I really haven't spent any time seeing how low I can get it.
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Old Jan 15, 2012, 08:03 PM   #9
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If my mobo was a little better and I had more options for LLC I bet I could get 4.5Ghz @ 1.225V. The voltage drops to it anyway.
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Old Jan 15, 2012, 08:24 PM   #10
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Go for a little higher - your Hyper 212+ can handle a little more heat.
Punch in 1.35v an see if you stop at 4.7 or 4.8ghz.
Don't think your cooler could handle the heat from any higher volts though.
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Old Jan 15, 2012, 08:49 PM   #11
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nice oc actually, my own i5-2500k do 4ghz at 1.135V in bios 110% stable ^^
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Old Jan 15, 2012, 08:56 PM   #12
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Quote:
Originally Posted by Grnfinger View Post
I must have a bum chip, I need way more vcore for 4500
Same, I need 1.3625v for stable 4.5ghz
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Old Jan 15, 2012, 10:28 PM   #13
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nice oc actually, my own i5-2500k do 4ghz at 1.135V in bios 110% stable ^^
I did Prime95 at 4.0Ghz with 1.15V stable. The voltage drops to 1.136V - 1.124V. I only did it for 45min because I see no reason to use 4Ghz when I can do 4.5Ghz at these temps and V.

I'm gonna bring her up a little further.. I already did some testing at higher speeds but nothing in depth.. The thing is that without more aggressive LLC at 1.4V in BIOS she drops quite a bit and it's far from 1.4V then..

The higher the V the higher the Vdroop
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Old Jan 15, 2012, 11:13 PM   #14
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Dunno but if you have the option for cpu voltage offset in your bios then that is the way to go - it will idle at stock vcore and jump up the voltage by your "offset" voltage under load to a maximum set amount.
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Old Jan 15, 2012, 11:26 PM   #15
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Dunno but if you have the option for cpu voltage offset in your bios then that is the way to go - it will idle at stock vcore and jump up the voltage by your "offset" voltage under load to a maximum set amount.
Did not know that's what that option was for. Good info.
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Old Jan 16, 2012, 06:47 AM   #16
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Originally Posted by LightningJR View Post
I did Prime95 at 4.0Ghz with 1.15V stable. The voltage drops to 1.136V - 1.124V. I only did it for 45min because I see no reason to use 4Ghz when I can do 4.5Ghz at these temps and V.

I'm gonna bring her up a little further.. I already did some testing at higher speeds but nothing in depth.. The thing is that without more aggressive LLC at 1.4V in BIOS she drops quite a bit and it's far from 1.4V then..

The higher the V the higher the Vdroop
mine did 1hour in Prime95 at 1.125V but still i am not air not water

and if i set my cpu to auto / offset mode the board will give it around 1.300V which i think is too much, when i do 4ghz at 1.135V stable.
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Old Jan 16, 2012, 07:30 AM   #17
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go for x59
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Old Jan 16, 2012, 07:59 AM   #18
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Damn you guys have some great chips. I need 1.36v for 4.5GHz. Voltage auto, OC'd using Turbo Ratios.
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Old Jan 16, 2012, 08:05 AM   #19
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Voltage auto,
There's your problem, why have you left voltage on auto? try normal with an offset of 0.05-0.1v that should give you around 1.05-1.15v idle and around 1.25-1.3v on load
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Old Jan 16, 2012, 08:23 AM   #20
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I must have a bum chip, I need way more vcore for 4500
My 2600k won't reach 4,5ghz in the first place, 4,3 max
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Old Jan 16, 2012, 01:53 PM   #21
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My 2600k won't reach 4,5ghz in the first place, 4,3 max
Really? I think this is the first time I hear of that. How much voltage have you tried to give it when overclocking?
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Old Jan 16, 2012, 06:18 PM   #22
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My 2500k is 24h prime stable at 4.6GHz @ 1.325v.

But in BF3 I need 1.335v to be stable at 4.4GHz.
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Old Jan 16, 2012, 06:44 PM   #23
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My 2500k is 24h prime stable at 4.6GHz @ 1.325v.

But in BF3 I need 1.335v to be stable at 4.4GHz.
Weird how that works. You would figure Prime 95 would stress it more, which it does.
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Old Jan 16, 2012, 08:23 PM   #24
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My 2500k is 24h prime stable at 4.6GHz @ 1.325v.

But in BF3 I need 1.335v to be stable at 4.4GHz.
Quote:
Originally Posted by Chicken Patty View Post
Weird how that works. You would figure Prime 95 would stress it more, which it does.
Yes I also find this strange. Maybe he is doing large/small ftt instead of blend.. idk.. I play BF3 quite a bit and have no problems with my aforementioned overclocks.
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Old Jan 16, 2012, 08:26 PM   #25
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Really? I think this is the first time I hear of that. How much voltage have you tried to give it when overclocking?
43 multi 1.3v Vcore, 1.9v pll
tried 48x multi 1.45v 1,925vpll got in bios, but it freeze'd
any where between that freeze'd also
f8 bios
there is a f9 bios though
edit:
i see there is f10c maybe i give a try, but first i have to re-install my os, it's buggy as hell if i leave my pc ilde for 15 min i get a bsod
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