7970 Artifacting

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M_Nation

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Joined
Oct 5, 2008
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41
The card artifacts occasionally at stock clocks. I have already tried nearly everything:

full removal and fresh install of drivers, many different versions of the drivers
setting the fan speed higher manually
tested RAM multiple passes with Memtest
Checked CPU stability with prime95
monitored temps to be sure they're within proper limits
swapped another card (GTX 460) into PC to validate other components (no artifacting with GTX 460 or intel HD 3000)
Swapped this card into another computer to be sure it was in fact this card (artifacts in other PC)

I owned a 7970 that worked flawlessly, which died during moving houses, Asus replaced it with another 7970, however that one artifacted and had a very low Asic quality (in the 50's) and continued to replace it with low Asic cards that continued to artifact, whereas the first card had an average Asic (70's). I then sold the Asus card after all the trouble they gave me and bought a MSI 7970, again this one with a low Asic, and high default voltage that artifacts. I can only conclude that the low Asic quality is the result of the occasional artifacts, although this card artifacts much less than the Asus branded ones, it is still unacceptable for such a pricey card. I have read all over that Asic quality "doesn't matter" but I'm inclined to believe otherwise. Am I crazy or what should I do? Thank you in advance

PC Specs:
Intel I7 2600k
Noctua NH-D14 CPU cooler
ASRock Z68 PROFESSIONAL GEN3 LGA 1155 Intel Z68
Gskills Ripjaws 1600mhz 4x 2gb DDR3
MSI R7970-2PMD3GD5/OC
Rosewill Lightning 1000w PSU
Western Digital Black 1TB HDD
Microsoft Windows 7 Home Premium x64
 

Oddba11

Jim
It's My Birthday!
Joined
May 12, 2011
Messages
8,336
Artifacts are typically a sign of overheating or hardware failure. It can also be caused by poor power.

And I noticed that although you have a 1000w power supply, it's a Rosewill model. Rosewill hardware mediocre at best.
 

M_Nation

Thread Starter
Joined
Oct 5, 2008
Messages
41
Thanks for the reply. Well, like I said I have moved since my old 7970 worked well. Could it be dirty power coming from the wall? The first Asus card I had worked great as mentioned, the next one artifacted, the one after that came voltage locked, and since overclocking was a deciding factor in my purchase of a 7970 that was not ok, finally I sold that and bought this card, which also artifacts, not only in this PC, but also in my other PC.
 

Oddba11

Jim
It's My Birthday!
Joined
May 12, 2011
Messages
8,336
Dirty AC power would likely affect more than just the video card as ALL of the power would be questionable. You can solve dirty AC by using a quality UPS.

With that said, I'm kinda at a loss, or your information is inaccurate.

Multiple cards not working in a single PC would indicate a fault with that PC. Likely the power supply.

A card not working in multiple PC's, would indicate a faulty card.
 
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