Gigabyte GeForce GTX 680 Super OverClock Review

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Overclocking the GTX 680 SuperOverclock

Although the Gigabyte GeForce GTX 680 Super OverClock is already overclocked from the factory, we spent a little time pushing it even further to see what kind of headroom it had left. For these tests, we gave the GPU a 100mV bump in voltage and increased the power target +20%. We then increased the GPU and memory clock offsets until we experienced instability or visual artifacts, or saw performance degradation.


Gigabyte's OC GURU II Running On The GeForce GTX 680 Super OverClock

Ultimately, anyone overclocking a GeForce GTX 600 series card has much tweaking to do. More often than not, you’ll find that increasing a particular voltage or frequency may appear to function properly, when in fact performance decreases due to errors or throttling. You’ll also find that the GPU Boost clock may travel above or below the offset value when the power target is also increased.

Overclocking The Gigabyte GeForce GTX 680 Super OverClock
Tweakin' With GPU Tweak



In the end, we were able to take the Gigabyte GeForce GTX 680 Super OverClock up from its stock 1137MHz (base) / 1202MHz (boost) clock to 1305MHz, with an effective memory clock rate of 6548MHz (up from 6200MHz). Please note that these frequencies were the actual peaks reported by GPU-Z and not simply the sum of the offset value and stock boost clock.

While the card was overclocked, we re-ran a couple of tests and saw some significant performance gains, as you can see in the charts above.

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