Looking to OC my FX 8320. Need suggestions.

greenizking · Dec 7, 2016

Hello, I was wandering how much I can OC my FX 8320 (3.5 Ghz stock) on my current setup.

Specs:

CPU: AMD Fx 8320 Black Edition 3.50 Ghz
Motherboard: Gigabyte 970 Gaming (http://www.gigabyte.com/products/product-page.aspx?pid=5654#ov)
CPU Cooler: ID-Cooling Frostflow 120 (http://www.idcooling.com/Product/detail/id/57/name/FROSTFLOW%20120)
Case: Floston X-Power (http://3.grgs.ro/images/products/1/367655/1363676/normal/x-power-96574e33fe2431b0fb8890fbeaebbf57.jpg) I know is a shitty case but for another month is all I have.
RAM: 2x4Gb Kingston Hyperx Beast (http://www.hyperxgaming.com/us/memory/beast)
GPU: Sapphire Radeon RX 480 Nitro+ 8Gb OC GDDR5 (http://sapphirenitro.sapphiretech.com/en/480-8.html)
PSU: Seasonic M12II-620 EVO Edition Bronze 620W

Also, CPU temp is 18-20C idle, 42-45 stress test for 1 hour with Prime95.

n0ns3ns3 · Dec 7, 2016

the only way to find out is to start overclocking.
Start with 4.0GHz and check how it goes.
the MB does not have very advanced VRM for CPU, so it might be a limiting factor.

greenizking · Dec 7, 2016

If I can get like 4.3-4.4 Ghz I'd be more than happy.
Also I was wandering if the cooler would do the job, same for the PSU since is not a certified one or a respectable brand.

n0ns3ns3 · Dec 7, 2016

supposed to do.

greenizking · Dec 7, 2016

Ok, I'll do some tests tonight and come with some results. Thanks for help.

DSzymborski · Dec 7, 2016

I wouldn't overclock at all on this PSU, the rail distribution is a horror show. That's essentially a 360W PSU, not a 700W one -- and that's if you can really get the full 30A from the +12V (that the combined maximum output when both rails are used is a giant red flag). Given the design and the price, I'd be shocked if this had better voltage regulation than a pile of mashed potatoes. Not the kind of thing you want to be overclocking with.

greenizking · Dec 7, 2016

SEGOTEP Nuclear Aircraft Carrier 520W (http://altex.ro/sursa-de-alimentare-segotep-nuclear-aircraft-carrier-520w-1x120mm-modulara-h9-plus)
OR
http://www.thermaltake.com/products-model.aspx?id=C_00002714

Is this good for something? thanks for pointing that out DSzymborski.

n0ns3ns3 · Dec 7, 2016

you need a 550watt of a good PSU
Seasonic S12II or M12II or G series
Corsair RM or CXM (new silver series)
EVGA SuperNova G2/P2/GS
XFX TS

greenizking · Dec 7, 2016

Decided to go with a Seasonic M12II-620 EVO Edition Bronze 620W.
I should get it tonight and start the Oc when I get home.

n0ns3ns3 · Dec 7, 2016

Very reliable unit - will serve you for many years in many builds

good luck with OC. remember to watch closely CPU temperatures.
Be careful with adding voltage - try to be as conservative as possible. The VRM of the CPU on MB is the one that worries me, especially due to lack of direct airflow on it with your liquid cooler.

greenizking · Dec 7, 2016

Honsetly my target is 4Ghz stable, everything over that is a bonus. I wont push it too hard anyways... This is my first time OCing and I definetly dont wanna destory something, plus, is a brand new build assembled last night so I wanna enjoy it for some time lol. I should be able to achieve 4Ghz on stock voltage right? And just by bumping the multiplier to x20 right?

n0ns3ns3 · Dec 7, 2016

here you need an AMD fanboy advisory.
my last AMD CPU was Athlon 64 X2 many years ago. It's a shame they have failed to release something interesting since then.

DSzymborski · Dec 8, 2016

n0ns3ns3 :

The Phenom II Blacks were fun little chips. I still keep a rig with a 965 hanging around, mostly for if a guest at my house wants to sit in front of a real PC (I prefer to keep people out of my messy office).

(And the SeaSonic is an excellent PSU)

madmatt30 · Dec 8, 2016

Vrms on the MSI gaming are absolutely rock solid for overclocking.
Generally yes 4ghz on a 8320 is doable on stock voltage as long as you haven't ended up with a crappy quality binned chip.

The 8320 carries too much stock voltage anyway IMO.
Multiplier x 20, turbocore disabled.

Run an prime test, have amd overdrive CPU status tab onscreen , & also cpu-z CPU tab onscreen & watch your clocks for any sign of instability , should be 3999mhz on all cores.
Cpu-z will show load voltage ,let us know what it is while prime is running.

If prime fails you may need a small voltage bump ,or to just up the llc settings one notch.

greenizking · Dec 8, 2016

First try, actions taken:
1. Disabled Turbocore
2. Unlocked CPU
3. Manually set multiplier to x20

Results:
Idle temp: http://imgur.com/a/iNgyn
Prime95 for 20 minutes: http://imgur.com/a/GADOB

This is all on stock voltages. Can I go fruther with the stock voltages? (dont really want to touch that...)

greenizking · Dec 8, 2016

@madmatt30 I'm not using MSI 970 Gaming. I'm using Gigabyte GA-970 Gaming (the SLI one)

madmatt30 · Dec 8, 2016

So you are mate :-/ everyone calls their board a 'gaming' one nowadays.

madmatt30 · Dec 8, 2016

You've linked to the standard gaming though mate not the sli model ???

There is a big difference between the two when it comes to overclocking.

http://www.gigabyte.com/products/product-page.aspx?pid=5779#ov

That's the sli one - notice the amount of black chokes to the rear of the CPU , is yours the one you linked or the one above ??

greenizking · Dec 8, 2016

Oh sorry for the wrong link, didnt noticed. Yeah got the SLI one not the normal one.
So how far you think I can get it with and without modifying stock voltages?

madmatt30 · Dec 8, 2016

Would like to see the load voltage shown in cpu-z WHILE prime is running mate.
Both those screens are showing idle voltage far as I can tell.

Your board has the same vrm setup as the ud3p which im running an 8320@4.3ghz at 1.33v (substantially lower than stock).
I had 4.6ghz at 1.38v which is still lower than stock turbo voltage.

Will be trial & error & chip dependant - your voltage is on auto if you haven't touched it so will increase automatically with higher clocks.
This is something that the gigabyte boards are very very good at doing automatically.
You should use amd overdrive thermal margin readout for prime load temps mate just to be 100% certain they're within spec.

Almost certainly you can try 4.2/4.3 - 4.4gh tends to be the turning point on voltages on near every fx chip ive used.

greenizking · Dec 8, 2016

http://imgur.com/a/HidFq
After 10 minutes with prime95.
And yeah my voltage is probably on auto, should I let it that way?
Also can I get it to 4.2 with auto voltage? If yes what should I set the multiplier to?

madmatt30 · Dec 8, 2016

Divide by 10 & halve mate so 4.2GHz is 21 multiplier.

Has to be said your load voltage is insanely low.
Either a very very well binned chip or you are getting vdroop under load (which in all honesty doesn't really matter if its stable )

Never heard of that aio cooler but it seems to be doing good on temps anyway.

I would say go for 4.2ghz , restest for stability then go in 0.5 multiplier increments (100mhz) if your aim isn't monster overclocks but the best you can do at fairly low voltage.

You may get a tipping point where it fails at 4.3/4.4ghz simply because of that very low load voltage.
If this happens & you want to carry on overclocking higher then leave voltage alone & change the llc (loadline calibration) setting to one setting above standard - this will bump the voltage higher automatically but only under heavy loads

greenizking · Dec 8, 2016

Still same tests (prime for 10 minutes)
And at what temp I should stop? 60c?

madmatt30 · Dec 8, 2016

For me,anything above 10c in the thermal margin boxes in overdrive while stress testing is absolutely fine.(good in fact)
That gives you a very big temperature headroom under normal & gaming use.

greenizking · Dec 8, 2016

setting the multiplier to x21 restarted my pc after 1 minute in prime and the temp was around 45C so I don't think it was an overheating problem.
then I set it to 20.5 and got this errors in prime (http://imgur.com/a/64dzu)
I ran prime 3 times to make sure and once it gave me SUM warnings and stopped the worker.

Looking to OC my FX 8320. Need suggestions.

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