It can gigabit routing (as far as I remember), if you don't need QOS, using hw offloading. The only limitations is the gigabit routing for edgerouter is limited at 1 gigabit for both upload and download. You can either route at 1 gigabit download or 1 gigabit upload but not both simultaneously (rarely happens).@Rehan Kumar Do note that the EdgeRouter X cannot do routing/NAT at full gigabit speeds. Its limited by hardware. I think if you are looking for around 500 Mbps should be OK, but otherwise it won't be a good solution.
If anyone is interested in the hap ac2, this is the latest quote I got from Multilinkonline