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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 4590

post #45891 of 67886
Quote:
Originally Posted by Sadmoto View Post

Quick question:

Would you consider X overclock stable for real world use if an oc doesn't pass IBT purely because of heat, but has the gflops to show that its faster then a previous OC and nothing is throttling.
Warning: Spoiler! (Click to show)
I ask because its cold again from winter and I was messing with my OC. to see if increasing my CPU OC would give me some more frames in dying light (before I found the 1core temp fix) rolleyes.gif

The highest I've been able to get ibt to fully pass is 4.4, but anything above will not pass because of heat. IBT and prime95 make the CPU run hotter then any game I've played by at least 10c.

for giggles, right now I'm at 4.8 with 1.49xxV , its just under 1.5v and its "stable-ish" by that I mean it can do everything and anything, except prime and ibt, purely because of heat, it'll skyrocket past 70c and either I will manually stop it because I never like to see my cpu above 70c or it'll stop itself because I leave AMD CnQ enabled so it wont burn itself out.

I can play any I have game and it'll give me the fps boost you would expect going from my current 4.0 to 4.8, no restarts, hitches , hangs/freezes, throttles, nada that I've gotten with previous unstable OC's and it stays at 65c max while gaming. (its really cold in my room, I would never be able to do this in the summer)

So far I've been using this OC since yesterday without any issue while gaming, heavy multi tasking and even some video encoding, until I would try to stress test with prime or ibt of course, its not like the cores are automatically failing when I start prime same with ibt, they will keep going its just that it gets too hot to be comfortable enough to let it run.

I'm going to keep it at 4.8 for now and keep an eye on it and I know 99% of people will say "pass X amount or ibt runs of Y amount of hours in prime" but I was curious on what you all have to say if testing with those isn't an option.

Is there something aside from a plethora of games with varying intensities that I could test this OC stability that won't burn my CPU out in seconds like ibt and prime does?

Maybe I can keep this OC until it gets warm out again which then I'll drop it back down because I haven't seen any clue of this being unstable outside of the crazy heat when I run ibt/prime95.

Here are the games I've tried with this OC and have had no problems:
Bf3
Bf4
Far cry 4
Final Fantasy 13-2
Dragon age 2
Dragon age Inquisition
Dying Light
Dead rising 3
Watch Dogs
Minecraft
Evil Within
Assassins Creed Black flag
Kerbal Space program
and of course, crysis 3. You always gotta at least test crysis, am I right? tongue.gifthumb.gif


if this 4.8 is truly stable, it may be worth getting a decent cooler for this summer tongue.gif I just didn't see it worth it because I can already do a mild OC with my junky TX-3 so I didn't see dropping the money to go from 4.0 to 4.5 to be worth it, but if I could get close to 5.0, then maaayyybbe look into it more again. (yes I still have that tx-3, it works works pretty well considering tongue.gif)

A bit :TLDR: But Stability is dependent on your usage. Not gonna say you need to pass IBT or Prime to call it that but that is the general consensus.

I can't really understand your point when you knew from the start, all you can blame is the HEAT. Just grab a decent cooler or stop gunning for higher CPU speed.
post #45892 of 67886
These Avexir's clock up really easily
http://valid.canardpc.com/mdgiiy



Maxmem stable, but not Aida 64 extreme.

Simple as can be, selected 2800mhz memory frequency , DOCP and left everthing else in auto smile.gif
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post #45893 of 67886
Quote:
Originally Posted by xKrNMBoYx View Post

Tightening timings can lead to instability for OCs honestly. Start off with the RAM at it's stock speeds or slower and a pretty loose timings to take memory out of the equation when a stability test goes wrong in an OC. Once you get a stable OC you like then you should start raising the speed of the RAM and trying to tighten the timings as much as possible while being stable.

The reason I'm asking is because the ram is causing the instability. I'm asking does tightening the ram make it stable. 2133 cas10 vs cas 9.
post #45894 of 67886
Quote:
Originally Posted by Kevin28115 View Post

The reason I'm asking is because the ram is causing the instability. I'm asking does tightening the ram make it stable. 2133 cas10 vs cas 9.

Tight means a lower number. So cas 9 would be tighter than cas 10, and would likely be harder to get stable than cas 10.
Quote:
Originally Posted by cssorkinman View Post

These Avexir's clock up really easily
http://valid.canardpc.com/mdgiiy



Maxmem stable, but not Aida 64 extreme.

Simple as can be, selected 2800mhz memory frequency , DOCP and left everthing else in auto smile.gif

Wow, that is some high clocking RAM. applaud.gif

In general, which do you find performs better with AMD, say 1866 8-9-9-24 or 2400 10-12-12-28?
Edited by pshootr - 1/29/15 at 3:53pm
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post #45895 of 67886
Quote:
Originally Posted by Kevin28115 View Post

The reason I'm asking is because the ram is causing the instability. I'm asking does tightening the ram make it stable. 2133 cas10 vs cas 9.

Nope. If ram is causing you instability, try increasing CPU/NB volts.
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post #45896 of 67886
I've got an FX-8350 overclocked to 4.7GHz. All eight cores enabled, everything stock besides the GHz speed. No voltage modifications or anything. My RAM/Memory speed is at 1600MHz. My heatsink is a Cooler Master Hyper 212 Evo. Keeps it pretty cool at any time of year, even when overclocked.

I'd like to join ze club c:
post #45897 of 67886
Quote:
Originally Posted by DavetheDemon View Post

I've got an FX-8350 overclocked to 4.7GHz. All eight cores enabled, everything stock besides the GHz speed. No voltage modifications or anything. My RAM/Memory speed is at 1600MHz. My heatsink is a Cooler Master Hyper 212 Evo. Keeps it pretty cool at any time of year, even when overclocked.

I'd like to join ze club c:
what do you call pretty cool? 212 isn't known for keeping an overclock like that cool anytime....I also doubt you didn't change vcore and ran at 4.7
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post #45898 of 67886
Quote:
Originally Posted by DavetheDemon View Post

I've got an FX-8350 overclocked to 4.7GHz. All eight cores enabled, everything stock besides the GHz speed. No voltage modifications or anything. My RAM/Memory speed is at 1600MHz. My heatsink is a Cooler Master Hyper 212 Evo. Keeps it pretty cool at any time of year, even when overclocked.

I'd like to join ze club c:

You know voltage on auto means it automatically overvolts if you overclock cpu speed, just throwing that out there~

Also APM master mode enabled (edit: this is on by default) keeps the CPU within TDP limit by dynamically underclocking cores when the power consumption goes too high.
But feel free to enjoy the setup as is, might as well work just fine! (unless you play like, BF4 or something I don't know. I don't play multicore games)
Edited by Tivan - 1/29/15 at 4:17pm
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post #45899 of 67886
I know tigher means lower cas number and that it is suppose to be more stable with looser timings. However, as said before my prime 95 stability at cas9 lasts about 20 minutes where as cas 10 lasted 3 minutes.

As for increasing cpu/nb voltage I had mine set at 1.3 but it was unstable with ibt at maximum x10 but dropping it to 1.15v-1.2v made it stable.

basically here is what happened from the start. I had ibt stable by dropping the cpu/nb voltage so i went to test with prime95. Prime failed within a few minutes so I decided to up the voltage (ram voltage) and mess with ram I dropped the timing from 10 to 9 and I get about 20 minutes of stability. I thought this was just a fluke so I repeated it. It did the same thing. Which is why I'm asking these questions. I've read things from having high cpu/nb voltage could case instability to that it is false and tighter ram could increase stability to it causes the instability. A tad bit confused tongue.gif
post #45900 of 67886
Quote:
Originally Posted by pshootr View Post

Quote:
Originally Posted by Kevin28115 View Post

The reason I'm asking is because the ram is causing the instability. I'm asking does tightening the ram make it stable. 2133 cas10 vs cas 9.

Tight means a lower number. So cas 9 would be tighter than cas 10, and would likely be harder to get stable than cas 10.
Quote:
Originally Posted by cssorkinman View Post

These Avexir's clock up really easily
http://valid.canardpc.com/mdgiiy



Maxmem stable, but not Aida 64 extreme.

Simple as can be, selected 2800mhz memory frequency , DOCP and left everthing else in auto smile.gif

Wow, that is some high clocking RAM. applaud.gif

In general, which do you find performs better with AMD, say 1866 8-9-9-24 or 2400 10-12-12-28?

If you are using AIDA 64 extreme to do the measuring, the latter seems to give better numbers for me. But there are so many other things involved that it's hard to call a definitive winner. I have a set of CL7 2000mhz + DDR3 incoming that might make things interesting, I'll post scores from those as I get them.
So far the 2400 mhz beasts produce better numbers in AIDA 64, but Im just getting started with the Avexirs.
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