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Old May 10, 2010, 08:29 PM   #1
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Importance of stable OC @ 100%

I know I'm knocking around 2 gens ago gear, but how important is it to have a CPU OC stable at 100% usage when you almost never use that much? I use Prime95 like everyone else, but I've never used 100% of my processor for anything. I don't have any benchmark programs either. Should I worry? I know it's probably a headroom thing, but I feel I can squeeze a few more drops.
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Old May 10, 2010, 08:34 PM   #2
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Depends. If it never crashes then really why bother ? I didn't stress test mine when I went to 4ghz I just continued on as normal and if I got crashes then I tweaked it til it was stable.
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Old May 10, 2010, 08:34 PM   #3
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It doesnt have to be at 100% usage to die with failed overclock (read: too big one).
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Old May 10, 2010, 08:39 PM   #4
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Its all in "if you are happy with it".
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Old May 10, 2010, 08:43 PM   #5
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Now it REALLY depends on the time of year... I usually build in the winter, only to find out my system isn't stable when the ambient temps are 10c higher in the summer.

So, I push it, then dial it back if/when it starts getting flakey.

I recently lost my motherboard (RIP Maximus ) last week when it was getting pretty warm in the house. Could be a coincidence, not sure.
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Old May 10, 2010, 08:46 PM   #6
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Now it REALLY depends on the time of year... I usually build in the winter, only to find out my system isn't stable when the ambient temps are 10c higher in the summer.

So, I push it, then dial it back if/when it starts getting flakey.

I recently lost my motherboard (RIP Maximus ) last week when it was getting pretty warm in the house. Could be a coincidence, not sure.
i do it exactly the otherway round, oc and stress test in summer, relax for the winter
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Old May 10, 2010, 08:48 PM   #7
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Testing at 100% is done to get the instability to show faster. If it fails, the overclock is unstable. Now it might only crash once of twice a year, but it is still unstable.

It is up to your if you can live with that.
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Old May 10, 2010, 10:11 PM   #8
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Originally Posted by Sasqui View Post
Now it REALLY depends on the time of year... I usually build in the winter, only to find out my system isn't stable when the ambient temps are 10c higher in the summer.

So, I push it, then dial it back if/when it starts getting flakey.

I recently lost my motherboard (RIP Maximus ) last week when it was getting pretty warm in the house. Could be a coincidence, not sure.
QFT, OCed that worked in the winter don't work now.
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Old May 10, 2010, 10:32 PM   #9
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It used to be that stability was a real non issue. I mean if I was playing a game and it crashed it wasnt like I had to add another quarter to play it again

As time went by, and I started using the PC for work, now we go into a different game. Nothing like getting 9 pages in to a word doc and the PC crashes, oh right, and you forgot to save it. The instability can then cost you time, and possibly money. If you work on your PC, I strongly advise stability to 101% certainty. If you are just surfing and gaming, it really isnt so pressing.
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Old May 11, 2010, 10:43 AM   #10
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It used to be that stability was a real non issue. I mean if I was playing a game and it crashed it wasnt like I had to add another quarter to play it again

As time went by, and I started using the PC for work, now we go into a different game. Nothing like getting 9 pages in to a word doc and the PC crashes, oh right, and you forgot to save it. The instability can then cost you time, and possibly money. If you work on your PC, I strongly advise stability to 101% certainty. If you are just surfing and gaming, it really isnt so pressing.
can't argue with that advice
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Old May 11, 2010, 10:48 AM   #11
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Depends. If it never crashes then really why bother ? I didn't stress test mine when I went to 4ghz I just continued on as normal and if I got crashes then I tweaked it til it was stable.
Silent data corruption.
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Old May 11, 2010, 10:51 AM   #12
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If my overclock isn't 100% stable, I don't use it. If it's not completely stable, it's as good as not even being able to get into Windows. I want my system to work every time I use it, not just some of the time, because I can't stand when it doesn't work some of the time. Additionally, I crunch and fold, so I definately want it to be completely stable because I do not want to be sending in work units full of miscalculations.
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Old May 11, 2010, 12:37 PM   #13
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Silent data corruption.
Not a big deal for me. I reformat once a week as well so I don't keep data for long periods of time anyway.
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Old May 11, 2010, 12:48 PM   #14
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I guess I'm a bit old school when it comes to overclocking. I want to be as stable as possible, or the overclock doesn't count, period. So what if I can boot into windows and possibly function at 4.6ghz if there is any potential of it crashing due to instability? It will most certainly cost me time and money, as sneeky mentioned. Not to mention a proven stable overclock of 4.2ghz will run a hell of alot better than a unstable 4.6.

The stability thing is also a game for me. With how easy hardware is to overclock these days, any dumb ass can increase the clock speed of the processor. The real skill is getting just the perfect blend of speed and stability with the processor, motherboard and memory.
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Old May 11, 2010, 01:04 PM   #15
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well, the people who dont test for stability are the ones who end up here on the forum crying about games that crash, drivers corrupting, or hardware dying when the summer comes around.
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Old May 11, 2010, 01:07 PM   #16
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I'm with Paulie here. I'm a real critic when it comes to overclocks, and any overclock needs to function for the full 100% for it to "count" as a success. Also, I just want my hardware to work 100%, so if I crash somewhere in the middle of doing something important, I can simply blame Windows.
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Old May 11, 2010, 01:21 PM   #17
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Not a big deal for me. I reformat once a week as well so I don't keep data for long periods of time anyway.
You format your windows partition, but you can just as easily destroy your music, movies, family pictures as long as you're storing them locally.
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Old May 11, 2010, 01:57 PM   #18
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I would interrogate the Pepper why he does reformat weekly !! WOW hahaha a bit paranoid maybe?
On the other side I just do like you, dear Dr, stresstests and benchmarks are so boring. But i like to check RAM latency and performance with Everest (surprising results sometimes!).
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Old May 11, 2010, 02:12 PM   #19
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You format your windows partition, but you can just as easily destroy your music, movies, family pictures as long as you're storing them locally.
Stored on the network. My pc is stable anyway my stability check takes longer than most people.

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I would interrogate the Pepper why he does reformat weekly !! WOW hahaha a bit paranoid maybe?
On the other side I just do like you, dear Dr, stresstests and benchmarks are so boring. But i like to check RAM latency and performance with Everest (surprising results sometimes!).
Nope I just love the feeling of a new OS. Doesn't take long to reformat with this SSD anyway.
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Old May 11, 2010, 02:48 PM   #20
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Sounds interesting, but I won't bother you asking for your method as I have no SSD
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Old May 11, 2010, 03:07 PM   #21
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Not a big deal for me. I reformat once a week as well so I don't keep data for long periods of time anyway.
I do a clean/fresh install of Vista every 4 or 5 months; it takes 20 minutes. No crashes or BSOD.
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Old May 11, 2010, 03:10 PM   #22
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Depends. If it never crashes then really why bother ? I didn't stress test mine when I went to 4ghz I just continued on as normal and if I got crashes then I tweaked it til it was stable.
That's true. My overclock won't pass prime95 or OCCT but I never had a problem with any game.
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Old May 11, 2010, 11:01 PM   #23
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That's true. My overclock won't pass prime95 or OCCT but I never had a problem with any game.
That kinda how I'm sitting
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Old May 11, 2010, 11:08 PM   #24
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I test with Prime95 and OCCT GPU test both running at the same time to check both overclock and simulate the worst case that can happen in a game.
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Old May 11, 2010, 11:12 PM   #25
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That's true. My overclock won't pass prime95 or OCCT but I never had a problem with any game.
Kinda the same for me really
I use my desktop for gaming, surfing the net and WCG.

That's about it really. Games only crash when I go for stupid overclocks like +900mhz with no increased voltage.
I don't see the need for 100% stability if it won't crash under the circumstances I use it.
And I'm one of those noobs when it comes to overclocking, increase fsb and voltage are the only two things I know... and they're working pretty well for me
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