True current gen cards like RTX2070 Super with DLSS enabled games will no doubt last a whole gen if we are comparing to whats on 'next gen' consoles.
But yeah consoles with RT are going to boost RT implementation across the board and mid-tier cards being the most popular with mainstream, RT is going to become the norm. Which is great because the thing that video games graphic needs to improve is lighting, and the raytracing is certainly the way to achieve this.
Exciting times really, 4x increase in resolution and double the performance in DLSS 2.0 is already a game changer. Even better AI nextgen means even better performance scaling.. its exciting times for PC gamers.
I really do hope AMD is going to lay the smack-down this with Big Navi else Nvidia is going to get my money, again. More competition is what's lacking on GPU market and Nvidia has been allowed to stay content like Intel has for years while increasing prices YOY. Atm RX 5700XT is roughly 25-30% cheaper than 2070 Super while offering a shade under in performance without DLSS. Though once you put DLSS in the equation at 4K, Nvidia pulls way ahead. DirectML will hopefully mitigate the need for Nvidia's proprietary ML. Kind of like Gsync vs Freesync of today.
