Unbeatable hardware rt ac87u is designed for pure performance as well as its main 1 ghz dual core processor rt ac87u also has a separate dual core processor that39s dedicated solely to 5g hz 4 x 4 wi fi related tasks this means that compared to routers with a single 12 ghz dual core processor rt ac87u has wi fi to usb transfer speeds that are up to twice as fast and can show much improvement in total throughput on a heavily loaded network with multiple clients groundbreaking wireless pe