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testing VRAM

Turbonium

Turbonium

Platinum Member
So whenever I play SC2, I get artifacting at random times.

I'm using an EVGA GTX 670. It's about 3 months old. No other problems in 2D or 3D applications. It's just SC2.
 
Did you try different drivers ?
If it happens on any set of drivers, then, most likely, a card issue.
E-mail EVGA support and they should take care of you.
 
Elixer said:
Did you try different drivers ?
If it happens on any set of drivers, then, most likely, a card issue.
E-mail EVGA support and they should take care of you.
Click to expand...
I'll try it.

If it helps: I just got mass artifacting and texture breakage in SC2. Alt-tabbed out then back into the game, and it went away.
 
You could try underclocking your vram and see if it fixes it. It's still grounds for an RMA if it does.
 
I'm not even sure about the correct terminology, whether it's error correction, synchronization, or some memory holes thing.

The Tech Buyer's Guru speculates a little.
http://www.techbuyersguru.com/VRAMocing.php

(1) the video card is auto-adjusting the timings of the VRAM: this theory suggests that to maintain stability, the video card could be raising ("loosening") the VRAM timings, which in combination with the VRAM clock frequency determine overall performance.

(2) the video card core and memory clock are "out of sync": this theory suggests that memory clock operates best when "in sync" with the GPU clock, and at a certain VRAM overclock speed, it is most out of sync.
Click to expand...


You'd have to benchmark it incrementally like the TBG does to figure out what your best clocks are. It could be similar to the 7870, but not necessarily as the 7870 and 7950 are using different cores.
 
So yea, either I'm hallucinating due to a lack of sleep, or Dota 2 had some very brief and mild artifacting during some spell effects.

I think the card is bad. 😵

Thnx btw.
 
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