Asus GTX 680 DirectCU is factory overclocked to 1201MHz (Boost mode) and with 2GB GDDR5 running at 6008 MHZ (QDR). It is said that Asus GTX 680 DirectCU II runs 20% cooler and 14dB quieter than reference design cards thanks to DirectCU II thermal design which using six all-copper pipes and an oversized heatsink.