Asus RT-AC68U World's fastest data rate at 1.9 Gbps AiRadar beamforming for best Wi-Fi performance. Dual-core CPU enhances overall performance. Update: The RT-AC68U uses the 1.0 Ghz Broadcom BCM4708 as the main CPU, the 1.9 Gbps rating is a combination of the 2.4 Ghz at 600 Mbps and the 5 Ghz at 1300 Mbps. The 2.4Ghz 600 Mbps is made up of three 200 Mbps streams. I can't see this helping with 2.4 Ghz congestion. Update: The RT-AC68U features a Router-to-Router Sync mode that makes light work of sharing files. A simple invitation allows photos, videos and other files on USB-attached storage to be synchronized automatically to USB-attached storage on other compatible ASUS routers, without the need for a switched-on PC at either end.