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Super-subtle artifacting - is it dangerous?

post #1 of 5
Thread Starter 
I couldn't find the answer to this in stickies. Basically I'm overclocking my 580 as far as it'll get while staying under 85c fully stressed (peaks ~72c under full load at stock, let the oc'ing begin!).

Now obviously the first tell-tale signs of an unstable overclock is artifacting, but here's the thing - sometimes the artifacting is so subtle, I can barely notice it. E.g. In Crysis 2 I'll just see a *tiny* flicker of blue/yellow-sparks (in a brick wall) and then wonder if it was my imagination. Alt-tabbing to Afterburner shows the tell-tale signs of unstability, GPU usage peaking at 41890510% (or some impossible number).

My question is, will it greatly shorten the lifespan of my GPU if I continue to run it with these almost-unnoticeable artifacts (compared to if I had a 100% stable non-artifacting overclock)? I tried 1.088v, then 1.1v, now 1.113v. Sometimes I'll be playing for hours without noticing any artifacting at all, then MSI will again tell me some ridiculous usage number. If my overclock is stable then the usage should peak 99-100%, not impossible numbers right?
post #2 of 5
It might just be some hiccup in Afterburner that you're seeing.
post #3 of 5
yah need more volts. or ur temps are too high.
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Pride and Joy
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Core I7 2600K @ 4.7Ghz (HT On) w 1.33v Asus P67 Sabertooth EVGA GTX 580 @930 core with 1.1v 8GB Corsair Dominator Platinum DDR3 2133 1.5v 
Hard DriveOptical DriveCoolingOS
Vertex3 MAX IOPS 120GB + Samsung 1TB F3 RAID 0 LG 10X Blu ray drive Corsair H80 + 2 GT AP15s Windows 7 Ultimate 64bit SP1 
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Logitech G5 v1 Mionix Propus 380 Auzentech X-Fi Hometheater HD + Logitech Z5500 Wacom Bamboo Pen and Touch 
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post #4 of 5
Quote:
Originally Posted by BlackandDecker View Post
yah need more volts. or ur temps are too high.
72C isn't high temps. Neither is 82C that he stated.
post #5 of 5
You probably aren't killing your GPU noticeably faster, but you might actually get worse performance than if you backed it down a bit. I ran quite a few benchmarks and found that my 580 actually performs best at around 950MHz even though I could push it past 1000MHz because it was more stable at the slower speed.
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