Ray tracing*
RTX is a brand.
Regardless, given the performance impact and how few games actually have ray tracing (implemented correctly), it makes more sense to just disregard ray tracing altoghether.
It’s an undercooked technology used to push more expensive products, nothing more.
Regarding dlss vs fsr and xess, yes dlss has better quality but it’s also proprietary so I honestly do not care about it. Just like gsync died, dlss will eventually die as well.
The proprietary gsync approach with a dedicated hw module is indeed dead and most “g-sync” monitors just use the now pretty common vesa’s vrr (aka freesync).
However I did research a bit and found some “gsync pulsar” monitors but none have been released yet, I believe. They do sound like unnecessary overpriced products though. That’s Nvidia for ya.