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Artifacts...

post #1 of 9
Thread Starter 
What exactly causes them? Is it heat?
The Beast
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The Beast
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post #2 of 9
Yes, extreme heat actually. Normally you see artifacts i n 90C+ temperatures, which means the GPU is actually burning up inside.

This is all I can tell you for sure, but I think a video guru may be more helpful.
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The Shehanigator
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post #3 of 9
Artifacts are not just caused by "extreme heat"

There are different types of artifacts... wrong colors, color/white pixel speckles, triangles, static textures, ect. Anything graphically wrong and all are caused by a data error. GPU calculation errors is one cause. This can be caused by heat, low voltage, bad processor, or electromigration. A result of any of these would make 4*5=30 and cause a draw error. Bad memory is another cause. Say a color value should be stored as 4 and a bad bit makes it 6, you will see a color error. Drivers or bad software is another possible cause of artifacts. If you tell the video card to calculate something incorrectly, your results will be incorrect. GIGO = Garbage In, Garbage Out.
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post #4 of 9
I can create artifacts at low heat ranges just by timing my memory too high usually. It's just the GPU erroring out when you run it too fast.
Mira
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Mira
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post #5 of 9
Thread Starter 
So what can I do to prevent them? Are there any overclocking friendly drivers? I am using nVidia's 93.71. Because at the moment I am stuck at 585/825. I like to be stable with no artifacts for at least 5 minutes in ATI Tool. Also would it be worth it to get a new cooler if I am already getting artifacts at such low clocks. The card usually maxes out at 85 C
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The Beast
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post #6 of 9
Quote:
Originally Posted by JoeUbi View Post
So what can I do to prevent them? Are there any overclocking friendly drivers? I am using nVidia's 93.71.
Overclock less. It might just be the physical/electrical limit of your card.
Once again...
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Once again...
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post #7 of 9
My card used to artifact at 80c, but now it artifacts at 62c after I applied some as5, Not always heat just the limit of the OC
 
No Need to Argue!
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No Need to Argue!
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post #8 of 9
Wow, +REP to DuckieHo for the info. Didn't know about this process, and now I can be more helpful to people thanks to the new insight about video cards.
The Shehanigator
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The Shehanigator
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post #9 of 9
Quote:
Originally Posted by JoeUbi View Post
So what can I do to prevent them? Are there any overclocking friendly drivers? I am using nVidia's 93.71. Because at the moment I am stuck at 585/825.
I'm stuck at 520/800 with the 93.71's, you're doing well. I tried the Omega drivers with about the same results and less stability.
Mira
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R a z a N e u n
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Mira
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R a z a N e u n
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Intel Core i5 2400S ASRock Z77 Extreme 4 AMD Radeon R9 390 Crucial Ballistix Tracer 
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Cooler Master Devastator II Ultra 1000w PC Voodoo Rage Cooler Master Devastator II 
Mouse Pad
Custom 
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q8400 EP45-UD3L ATI Radeon HD 6950 Crucial Ballistix Tracer 
Hard DriveOptical DriveCoolingOS
1TB Western Digital LiteON DVD+-RW ArcticCooling CPU | 4x 80mm Case Fans Windows 7 Ultimate (64bit) 
MonitorKeyboardPowerCase
Sony 46" + LG 32" Logitech G15 Silverstone ST60F 600W VoodooPC Rage D:100 
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