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Stability Test For CPU?

arc@css

arc@css

arc@css

Caporegime
Joined
8 Nov 2008
Posts
29,282
Hey,

As above. I've recently moved from a stock cooler to a much better one (cpu + cooler in sig), but aside from just upping the frequency to see what clocks I can boot into the desktop with, I haven't actually done any stability tests. So, what's the recommended testing benchmark / program these days?

Ta. :)
 
Sure, you can try Prime95, Aida64, IBT, I. E. The usual suspects. But you're better off using your pc normally and seeing if it's stable. Play some games, encode a video, fold, whatever. If it crashes then you know you've done something wrong.
 
Andrei23 said:
Sure, you can try Prime95, Aida64, IBT, I. E. The usual suspects. But you're better off using your pc normally and seeing if it's stable. Play some games, encode a video, fold, whatever. If it crashes then you know you've done something wrong.
Click to expand...

It's interesting that you mention encoding. Before I changed the cooler, I was encoding at 4.1ghz where as trying it at 4.3ghz with the new cooler resulted in a crash, even though the temps are now much, much lower (I'm not so sure that I've seen much difference in encoding times anyway when comparing stock vs 4.1ghz). In terms of booting into Windows and playing games (only tried one title so far) / watching YouTube / browsing the web - seems to be fine at 4.6ghz. As I say, all I've changed is the frequency in the bios.
 
Have you got it clocking down at idle? Could be appearing stable doing light tasks at 4.6 because it's clocking down, compared to running flat out at 4.3.

It sounds like you need to do your homework on overclocking and stability testing.
 
intel processor diagnostic tool is always a good one to check with too. If unstable that will report an error. Comes in 64bit and 32bit so run the right one for your OS.
 
I used to go mad with testing, now I just use an hour of realbench to get a ballpark, then play a game that is sensitive to overclocks like crysis 3 or GTAv.
 
Real bench is what i use. Ever since mainstream chips such as ivybridge onwards used a pasted ihs assembly ive avoided stuff like IBT, certain versions of prime 95. Theese chips simply cant cope with the heat generated at stock let alone overclocked no matter how good your cooling is.
 
Prime 95 never crashes for me, most crashes are caused in game. I would suggest playing your favourite game maxed out for an hour or two, prime95 wouldn't hurt though.
 
I run prime95 for a small amount of time, just to ensure it's not goign to fall over right off the bat. Then I'll do a fair bit a file compression in 7zip and play some games, open all the tabs in all the browsers.

I find gta v to be good at rooting at an unstable cpu clock quite quickly. Get a big chase on with high population density and high draw distance and you'll soon find out how stable your OC is!
 
I use a whole selection of stress tests. Personal favourite is OCCT in AVX linpack mode but keep a good eye on temps and voltages. It's stupidly demanding beyond what most users will need but I'm only happy with 100% stability.

Real bench is better for stressing in a more realistic way but you might be stable with it and crash in other things. I like the benchmark mode for seeing how the adaptive voltages and clocks react to varying loads.

I mostly run them overnight and then sometimes whilst I am at work.

This was the guide I used when I started out. Not done any harm running my overclock for 3 years.
http://www.overclock3d.net/reviews/cpu_mainboard/gigabyte_z77_overclocking_guide
 
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