https://www.smallnetbuilder.com/wireless/wireless-reviews/32239-ac1900-first-look-netgear-r7000-a-asus-rt-ac68u
But if you simply must have one, I'd have to say the NETGEAR is the better choice. But that's mainly because its (slightly) faster processor has more power to handle heavier simultaneous routing, wireless and storage loads, with significantly higher storage performance being the real benefit for your $200.