Artifacts on R9 280X

NecromancerZ

Distinguished
Sep 8, 2014
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18,510
Hello my friends!
I have a little problem , I'll describe it.
I saw artifacts several times and I brang my videocard to the shop for repair or change , after 3 weeks they said that everything is working fine , they didn;'t see any artifacts. I got Sapphire Radeon R9 280X , it's working just fine , I tested it in games and programs like Furmark , 3D mark , Unigine Heaven , it's working good , good framerate , temperature from 30 to 70 degrees , like it used to be , but sometimes I see artifacts in some demanding games , like Witcher 2 , Crysis 3 (1 time) , GTA IV , I didn't see them in Outlast , for example , so they appear only in stressful games , when videocard is working hard. I already reinstalled Windows and I got last drivers . What can I do , what's the problem, how do you think? Thanks in advance !

My PC :
- Sapphire Radeon R9 280X
- AMD FX-6300
- Asus M5A97 LE R2.0
- 8GB Goodram (1 stick)
- 500 GB HDD
- 700W Chieftec PSU
- Windows 8.1 x64
My PC is working ok in all games , artifacts are showing only in some games (NO overlocking)