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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 511

post #5101 of 67356
I will run up to 2333 but it's not 100% stable. I have only run extended benches for 2080.
Mine are from OCuk. The first lot wouldn't pass Memtest86 past 1888. These are solid up to 2222ish.
post #5102 of 67356
Really good to hear. Well, sorta it's a mixed bag at this point.

I have heard that Vishera doesn't like RAM clocks over 2050ish.

Could be why you are experiencing instability....

Can you pass like 5+ runs of Memtest 86+ 4.20? I'd really like to see what these Vishera's can do before I drop more $$$ into RAM.

I'd like a 2200mhz + RAM clock though.

What kind of timings you running? I have a feeling you are going to give me some pretty relaxed timings....
post #5103 of 67356
I think it ran 4 passes in the night at these timings.
I've not tried tighter but I wouldn't be surprised if they could manage it.
post #5104 of 67356
Quote:
Originally Posted by laurie View Post

I think it ran 4 passes in the night at these timings.
I've not tried tighter but I wouldn't be surprised if they could manage it.

Cmonnn, keep tightening. You know u want to. wink.gif

Try to get tRP down to 9T as well. That will make a huge difference.

Think I could see your bandwidth and Latency? Interested to see how it compares with mine.

Very interested actually. smile.gif
post #5105 of 67356
How would I show you those? Is there a particular tool you would like me to use?

BSODs at 9. Not adjusted the voltage over 1.5 though.
I would mess with it some more but I don't really have the time today. Sorry mate.
Edited by laurie - 12/7/12 at 4:51am
post #5106 of 67356
Quote:
Originally Posted by laurie View Post

How would I show you those? Is there a particular tool you would like me to use?

Oh, ya. smile.gif

AIDA 64 Extreme Edition.

It's easy enough to find for free.
post #5107 of 67356
Quote:
Originally Posted by Timeofdoom View Post

I think we've agreed on giving up on using Prime with these procs, since Prime would fail for some even if these FX's were at stock. And I tended to agree, since I couldn't get prime stable, but I did get IBT 20 runs stable at my settings....sooo. Give up on Prime for now, since it's being an absolute wad with the vishera CPUs.

I think that quite a few users have found their OCs to be Prime stable. Code issues with the program vs. chip architecture shouldn't vary from user to user but should be constant all over the board.
From what I've seen (and not just me) Prime is more sensitive to CPU-NB and RAM speed / voltages. Many people assume that if the RAM is rated at speeds higher than 1866 then the CPU-NB will automatically work with the ram at that speed and be stable (and chose to ignore the fact that running the extreme profile requires up to 1.35v on the memory controller as specified in the XMP profile).

Not passing judgement on whoever chooses NOT to trust Prime95 with PD, it's a personal choice. But I believe that stating for a fact that P95 is reliable and that this has been agreed on is a bit of an overstatement. I believe that each should read and test and then make up their own mind instead of being told that P95 is not a reliable benchmark on BD.

Moreover, 20 IBT runs is not necessarily stable either (though it may be). I for example have passed 20 IBT runs on High with the 8320, P95 would fail almost instantly. If I had gone by this reasoning then I would have considered that a stable OC. I tried OCCT and that one failed also after almost an hour and also IBT failed after up to 80 runs. This is just to make a point - 20 runs of IBT does not mean that the OC is necessarily 100% stable and that you should disregard any other stress test just because.

I personally have gone from "can't do more than 200+ MHz in Prime" to "500+ MHz and lowering the voltage by 0.05 just by lowering the RAM speed from the rated speed of the module - 2133 to the rated speed of the IMC - 1866 and lowering the timings so that the performance won't suffer.
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post #5108 of 67356
My second FX-8350 is awesome! 1.565V in BIOS, 1.35V CPU/NB, I tried quickly validation and I was shocked:thumb:... The best FX I ever seen. Cooling is only AMD liquid cooler, so nothing special.




http://valid.canardpc.com/show_oc.php?id=2607102
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post #5109 of 67356
Quote:
Originally Posted by nexxusty View Post

Oh, ya. smile.gif
AIDA 64 Extreme Edition.
It's easy enough to find for free.

Here is latency.

And Copy.

Read.

Finally write.

Edited by laurie - 12/7/12 at 5:11am
post #5110 of 67356
Quote:
Originally Posted by FlanK3r View Post

My second FX-8350 is awesome! 1.565V in BIOS, 1.35V CPU/NB, I tried quickly validation and I was shocked:thumb:... The best FX I ever seen. Cooling is only AMD liquid cooler, so nothing special.
http://valid.canardpc.com/show_oc.php?id=2607102

What batch is it? Just out of curiosity :-)
RyZen
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