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Old February 2, 2012, 11:19 PM
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Default Where should I be at with my 2600k?

Hey HWC,

I've got my 2600k under water and I have my system stable at 5ghz 1.45v(in bios, 1.47 in CPU-Z) and the temperature hits 75c max doing a prime95 small FFT.

Is this a safe voltage and OC to leave my system at constantly or should I back off on the voltage and go for something a little more 'everyday' like 4.6ghz.
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Old February 3, 2012, 08:28 AM
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I'd say 1.47 is a bit on the high side. Are you able to keep 5ghz and lower your voltages to keep it stable?

If not then drop your clocks down so you can.
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Old February 3, 2012, 08:43 AM
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Unless your water cooling which i'm sure you aren't by your temps, try and keep the vcore below 1.45, you should be able to get it stable below 1.45v @ 4.8 OC.
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Old February 3, 2012, 08:47 AM
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Quote:
Originally Posted by Adzsask View Post
Unless your water cooling which i'm sure you aren't by your temps, try and keep the vcore below 1.45, you should be able to get it stable below 1.45v @ 4.8 OC.
If you read what he wrote..
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Old February 3, 2012, 09:02 AM
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Quote:
Originally Posted by jibz View Post
something a little more 'everyday' like 4.6ghz.
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Old February 3, 2012, 09:54 AM
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I see no reason to run this cpu on the hairy edge at 1.47v 24/7. For benchmarking and epeen bragging OK, for 24/7 even with water you will kill your cpu quicker.

I have my 2500K under water and it runs 24/7 with all power saving tweaks still enabled at 4.6ghz with only 1.3v fully loaded. I can benchmark at 4.9Ghz with 1.45v. I see no point in the extra 300mhz though, it is to all intents and purposes useless for everyday tasks.

Just my 2cents worth....
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Old February 3, 2012, 10:10 AM
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Alright I disabled Vdroop which seems to have been the source of my lower voltage BSOD issues.

Now I have the CPU running 5.2ghz at 1.38v at only 63c prime95 small FFT.

Gonna fiddle with some more settings tonight and see if I can balance it out and see what my max is at 1.36v now that I know Vdroop was a issue.

As for the purpose of the high clock, it helps when I'm live streaming gaming with Xsplit. Ultra gaming and webcam feed with several audio feeds put through on-the-fly encoding and streamed takes some horses.

Last edited by jibz; February 3, 2012 at 10:18 AM.
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Old February 3, 2012, 11:38 AM
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Best stress test for SNB chips is Linx+AVX @ 4 threads on Win7 SP1. It will make you cry as you need to increase voltages to be stable with AVX :)

FWIW 4.8GHz @ 1.41V is my 24/7 OC since day 1. Chip hits ~85C on silent water with no stability issues. I've had the chip since NCIX made them available after launch.
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Old February 3, 2012, 12:17 PM
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Quote:
Originally Posted by enaberif View Post
If you read what he wrote..
Well, I had lower temps with a silver arrow, so must be a 120mm, or a 240mm with low RPM fans.
My RX 360 kit lived on a 2600k for 10 months @ 1.5v 5.2 and was 52C max.
Temps should be better now that you found the v-droop issue anyways OP.

Last edited by Adzsask; February 3, 2012 at 12:23 PM.
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Old February 3, 2012, 04:35 PM
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Im using a triple 180mm rad with 180mm air penetrators on low/silent with tri-sli. on stock voltage I can get 4.2ghz and hit 37c under stress test. but with more voltage I get alot more heat. Before water I hit 5.2ghz on air at 1.5v using a nh-d14 which would get up to 92c in 23c ambient. Coolant in my current system when stress testing for a day is 33c.
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