Originally Posted by koniu777
Yes, the stock cooler is not enough for higher frequencies/voltage. May I ask why did you set the frame buffer voltage that high, does it help with overclocking? That one setting is still a mystery to me.
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I thought FBVDD was memory voltage. I guess I was wrong. I have been running mine at 1.8v. I saw Kingpin had it that way so I did also. I thought that's why I was getting such high memory clocks. Am I wrong?
Originally Posted by OleMortenF
Hey guys, for those of u with a 780 Classified what temps is the card running at on 1300Mhz? Do u need the fan on 100% to keep it under 80c on 1300Mhz under load?
It really depends on how much voltage you need to hit 1300mhz. Last night I played a couple hours of far cry 3 with an agressive fan profile at 1.35v and 1306mhz and it was hovering around 70c-75c. But there was a point when the gpu usage was pinned at 99% and the temps shot up to 83c quick. These cards need waterblocks bad. I feel like with the extra voltage we can apply we might see some better results with water than the reference cards do.
ftw420 made a really good point and suggestion. For gaming we could almost leave these card at stock. Mine boosted to 1150 at stock and then just overvolt for benchmarks. That would help our cards last a lot longer.