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http://www.xbitlabs.com/articles/graphics/display/nvidia-geforce-gtx-680_15.html
Notes:- Nvidia’s GeForce 300.99 driver doesn’t look stable as yet. We could observe image tearing inMetro 2033, occasional image defects in Crysis 2 and Battlefield 3, and long test loading times in 3DMark Vantage. Hopefully, driver updates will solve these and other bugs and will also push the graphics card's performance even higher up.
- When we replaced the default GPU thermal interface with Arctic MX-4, we saw the GPU temperature drop by 4°C at peak load. The top speed of the fan decreased by 120 RPM in the automatic regulation mode at that.
- Our testbed with GeForce GTX 680 would occasionally not start up at all, emitting two long beeps. This must be some partial incompatibility with the Intel Siler DX79SI mainboard or a defect of our sample of the GeForce GTX 680 card.
- When checking out the overclocking potential of the card, we found a strong correlation between its stability and cooling. For example, if the GPU temperature was not higher than 70°C (at 85% fan speed), the card's GPU could be overclocked by 15-20 MHz more.
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