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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 479

post #4781 of 67259
Quote:
Originally Posted by IOSEFINI View Post

I was curious to see what Vcore I need to stabilize my 8350 @ 4.8GHz, using most common stress test programs.
So, here are the results.
CPU.......................4.8GHz (200X24)
CPU/NB..................2200 (stock)
HT Link..................2600 (stock)
RAM......................2133..8-9-8-24 (stock)
I ran them for 1 hour, IBT-20runs.
P95 ver. 27.7 - 6 hours
...........................................................Vcore(BIOS)..............................Vcore(LOAD)
AIDA64.................................................1.35625V...................................1.380V
IBT.......................................................1.35625V...................................1.404V
OCCT Linpack.........................................1.36875V...................................1.416V
AMD Overdrive.......................................1.37500V...................................1.416V
OCCT....................................................1.40000V...................................1.440V
P95 ver. 25.11.......................................1.42500V...................................1.476V
P95 ver. 27.7.........................................1.43750V...................................1.500V

This is pretty similar to what I'm seeing on mine, what troubles me about it is historically all of these are usually pretty close, (Maybe not AIDA64, I've never used it.) Why does prime now take such a dramatic increase in voltage to become stable?

What settings where you running for IBT? Standard? It's not usually too far off of OCCT and AMD OD for me.
post #4782 of 67259
I used 50% of the RAM in all tests.( High for IBT}.
I have 2x2 G sticks..
Why prime needs such a high voltage compared to the others? I have no clue, might be something wrong with it, but in this case, should not be stable, no matter the vcore used
Edited by IOSEFINI - 12/2/12 at 11:16am
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post #4783 of 67259
Quote:
Originally Posted by IOSEFINI View Post

I used 50% of the RAM in all tests.( High for IBT}.
I have 2x2 G sticks..
Why prime needs such a high voltage compared to the others? I have no clue, might be something wrong with it, but in this case, should not be stable, no matter the vcore used

Ah, I use 6GB with LinX or 4GB with IBT.

Who knows for Prime...
post #4784 of 67259
while folding, i leave HWMonitor running just to keep and eye on temps. I looked at vcore max and it reported 2.52v. i am pretty sure thats an error because if i actually went that high, i wouldn't have a CPU left. folding on 4.7GHz @1.475 bios setting temps are staying pretty constant at 49-51. Have the CPU and one GPU folding for 25262 PPD. biggrin.gif just thought i would share rolleyes.gif
post #4785 of 67259
Thread Starter 
Quote:
Originally Posted by ebduncan View Post

Quote:
I can fit a rad as thick as a power supply including fans, and have the area needed for a 360mm, yes.
then go for the RX 360. over the RS 360.

You will get much better temperatures. The RX series is only 8 fins per inch so you don't need big monster fans on them either. A simple push setup works just fine. Push pull will only give you 2-3 degrees difference.

Interesting. Will look into it, although the 360 raystorm is $200. I suppose that does future proof me a bit though, being on a 360 rad.
Quote:
Originally Posted by m0bius View Post

Quote:
Originally Posted by ebduncan View Post

then go for the RX 360. over the RS 360.
You will get much better temperatures. The RX series is only 8 fins per inch so you don't need big monster fans on them either. A simple push setup works just fine. Push pull will only give you 2-3 degrees difference.

The EX 360 seems to have been forgotten here. If you're worried about space, it should prove better than the RS, and can be pretty good compared to an RX when using high cfm fans.

The area the RX is king is in low cfm situations. It can cool much better with lower rpm fans than either, but the gap narrows with higher speed fans.

Ya... space isn't a concern:


I love my 932. tongue.gif
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post #4786 of 67259
Quote:
Originally Posted by KyadCK View Post


Ya... space isn't a concern:


I love my 932. tongue.gif

sheesh stripe that and you have a highway. I barely fit a single thick rad above my MB
post #4787 of 67259
Quote:
Originally Posted by Solders18 View Post

Quote:
Originally Posted by KyadCK View Post


Ya... space isn't a concern:


I love my 932. tongue.gif

sheesh stripe that and you have a highway. I barely fit a single thick rad above my MB

yup,
One of the few real game cases that still has a PSU mounting for top and bottom. thumb.gif
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post #4788 of 67259
Quote:
Originally Posted by IOSEFINI View Post

I was curious to see what Vcore I need to stabilize my 8350 @ 4.8GHz, using most common stress test programs.
So, here are the results.
CPU.......................4.8GHz (200X24)
CPU/NB..................2200 (stock)
HT Link..................2600 (stock)
RAM......................2133..8-9-8-24 (stock)
I ran them for 1 hour, IBT-20runs.
P95 ver. 27.7 - 6 hours
...........................................................Vcore(BIOS)..............................Vcore(LOAD)
AIDA64.................................................1.35625V...................................1.380V
IBT.......................................................1.35625V...................................1.404V
OCCT Linpack.........................................1.36875V...................................1.416V
AMD Overdrive.......................................1.37500V...................................1.416V
OCCT....................................................1.40000V...................................1.440V
P95 ver. 25.11.......................................1.42500V...................................1.476V
P95 ver. 27.7.........................................1.43750V...................................1.500V[/quote

I check the memory on Newegg.com and other sites every week. I have not encountered any 2133 memory with XMP profile of 8-9-8-24. please give me the Brand name and and model of the memory. That profile at best is 1866 memory but more likely 1600 memory. By the way running memory at 2133 is going to inhibit a stable cpu overclock at a high speed. I suggest you ramp down the memory to 1866 and try overclocking with memory speed at the level. I believe you will be more successful. The fastest memory I have found at 8 cas latency for memory speeds above 1600 mhz is 8-9-9-24 for the G Skill Trident-X 1866 8 GB dimms.
post #4789 of 67259
Quote:
Originally Posted by giooliva View Post

Can somebody help me where is the cputin here? i tried putting a 140mm on the red area but still i get 75deg temps,, i wonder what part of the motherboard needs to be cooled, i suffer from throttling issues beause of cpu temps, ty smile.gif

That mobo is basically like a UD3, I used a UD3 and the NB temps goes pretty high with its mediocre heatsink, the UD5 that I am using now never goes over 45C on NB even when I am on my 5Ghz overclock (unlike the UD3 that goes 60C on my daily clocks), as the other people are saying, if you want a better overclock change your board.
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post #4790 of 67259
Quote:
Originally Posted by IOSEFINI View Post

I was curious to see what Vcore I need to stabilize my 8350 @ 4.8GHz, using most common stress test programs.
So, here are the results.
CPU.......................4.8GHz (200X24)
CPU/NB..................2200 (stock)
HT Link..................2600 (stock)
RAM......................2133..8-9-8-24 (stock)
I ran them for 1 hour, IBT-20runs.
P95 ver. 27.7 - 6 hours
...........................................................Vcore(BIOS)..............................Vcore(LOAD)
AIDA64.................................................1.35625V...................................1.380V
IBT.......................................................1.35625V...................................1.404V
OCCT Linpack.........................................1.36875V...................................1.416V
AMD Overdrive.......................................1.37500V...................................1.416V
OCCT....................................................1.40000V...................................1.440V
P95 ver. 25.11.......................................1.42500V...................................1.476V
P95 ver. 27.7.........................................1.43750V...................................1.500V


I got similar result at 4.7Ghz, altho my clock set-up is x20 multiplier/235 FSB
My BIOS voltage is at 1.475v but after LLC it goes 1.5v under prime95, and prime95 fails randomly, sometimes just after 1hr and the longest run I had is just over 8 1/2hrs. I get that Illegal sumout error, dunno what that means. if it was something like "expected 0.2432534 time but got 0.34633434" error then I know its lacking on voltage. but that illegal sumout error seems to appear even on stock settings on some people which is pretty weird.
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