Asus GTX580 Direct CU II Review – the ultimate 580?

To overclock today, we are using ASUS own software, entitled ‘SmartDoctor'. This not only allows the card to be overclocked, but for voltages to be increased.

Smart doctor is an application which can reside in the taskbar, much like MSI's Afterburner software. At the bottom of the program are sliders which allow for VCore voltage increases and core clock and memory overclocking.

By increasing the Vcore settings to 1.125 we were able to push the Core to a staggering 973mhz before artifacting would occur. We pushed the GDDR5 memory to 1175mhz (4700mhz effective). This translates to around a 25% overclock on the core and around 17% overclock via the GDDR5 memory.

This helped push performance even higher, gaining 8-10 fps more in the Unigine Heaven Benchmark for instance.

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