Proper voltage for X6

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nitrous9200

Senior member
Mar 1, 2007
282
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I put in an X6 1090T this weekend and it works great but I noticed the temps seemed a bit high (up to 57C under load with stock cooler). It was running at 1.45v according to core temp and overdrive, so I was able to bump it down to about 1.35 using overdrive and it seems OK running F@H. 1.25 was a bit low and caused apps to crash.

So, what is the stock voltage for this processor?
I'm working on it remotely so I can only change it through overdrive for now but as soon as I get home I want to change it in the bios.
 
exar333

exar333

Diamond Member
Feb 7, 2004
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What speeds are you running? Have you done any good stability testing to find the lowest voltage at your desired speed?
 
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LoneNinja

Senior member
Jan 5, 2009
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AMD motherboards seem to have a problem of giving processors different stock voltages. My 1090 is stable 1.4V @ 3.8Ghz, stock 3.2 would probably be stable @ 1.3V maybe lower. I honestly don't remember what this particular motherboard defaulted it at.
 
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RavenSEAL

Diamond Member
Jan 4, 2010
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Auto settings are full of crap, specially on Gigabyte boards, set it to around v1.35; should be more than stable at those settings.
 
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SlowSpyder

Lifer
Jan 12, 2005
17,305
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1.456 volts for 4.030GHz here.

*edit - My CPU has been at or very near 100% utilization for hours now, temps show as 51C.
 
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nitrous9200

Senior member
Mar 1, 2007
282
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It's at stock for now, but I'd like to bump it up just a bit maybe to 3.4 - 3.6. At the moment it's at 1.38v, about 48C under full load which is fine with me (it will spend a lot of time running F@H).
I found it to be stable until I got under 1.3 in which case F@H failed and overdrive started bugging out. But looks like 1.35 is where I'll be setting it for now, then OC'ing later. PS the board is a decidedly low end Biostar A870u3, and I previously had an X4 in there. I never looked at the voltage on that one but it had no issues with temps.

Speaking of temperatures, the creator of Core Temp said that "these processors report temperatures which are not absolute. There is usually a 10-15C delta that should be added to the readings to see the real temperature value."
Is that true?
 
Magic Carpet

Magic Carpet

Diamond Member
Oct 2, 2011
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nitrous9200 said:
Speaking of temperatures, the creator of Core Temp said that "these processors report temperatures which are not absolute. There is usually a 10-15C delta that should be added to the readings to see the real temperature value."
Is that true?
Click to expand...
Core Temp is useless for AMD temp measuring.

Use this to monitor your temps instead. Your real CPU temp should be TMPIN0 or TMPIN1 or TMPIN2. Run LinX, whichever value goes higher is your CPU.

My pleasure :)

2) Voltage. The cooler it runs, the less voltage it needs. And since your chip is unique, nobody will tell you the exact minimum/proper voltage it can run. At 1.0v/2,6 Ghz my chip transcodes video content 24/7 dissipating minimum amount of heat, for example.
 
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nitrous9200

Senior member
Mar 1, 2007
282
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skipsneeky2

Diamond Member
May 21, 2011
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RavenSEAL said:
Really? My chip can do 3.8 @ 1.375.
Click to expand...

My motherboard with uefi bios on the performance mode puts my chip at 232 bus 16.5 multi and 2095 ht link and the chip to 3.8ghz.

Max vcore according to cpu-z is 1.356 fully loaded running cinebench 11.5.

On idle its around 1.33 but my load voltage is it to low or very good as most seem to need close to 1.4 while mine is cruising at 1.356....
 
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