Well i will see soon, should arrive in the next 2 hours. But tbh, 10-20fps sounds just wrong with a RX6700XT. That´s what my buddy get´s with a GTX1060 when he forgets to turn dow the resolution to 1080p And i do play in 1920x1080, not planning on upgrading the monitor anytime soon.
@Ray Garraty
I am not sure about downtown/dishong, but in hordenights it´s the CPU limiting at least for me, my GPU is sitting at 40% usage and i get 30FPS. Could be the case in dishong too. No matter how strong a GPU is, if the CPU can´t keep up with getting the data to the GPU, you will not get the full power of your GPU.
A RTX3090 or a RX 6900XT for my R5 3600 would be a waste of money for example. Maybe not in 4K, but for sure in 1080p and 1440p.
Just glad that there isn´t any major issues with AMD cards anymore, there used to be problems with the textures in A18 i think. Maybe A19.
EDIT: So it´s now installed and running. Like i thought, downtown seems to be a CPU issue. Outside of downtown i get 70-80FPS with everything on ultra (i will tweak that a bit, no one needs motion blur and bloom, also terrain quality doesn´t do a lot) and the usage is at 75%. In downtown at dishong tower it´s still 40-45FPS and the GPU usage drops to 40-50%.
Happy with the upgrade, even though i wanted to do a bigger one next year including the monitor. Well, now it´s another few years in 1080p, not really a big deal for me as someone who started gaming with pong and as a child/teen never even thought that 60HZ 1080p would be possible sitting on my VC20/C64

It was the worst time having to spend money on a GPU. Just 3 months later and it would have been fine.
Now i just need to save some money until christmas or so and i will upgrade the CPU to either a 5900X or maybe even 5800X3D. We will see. That means new CPU cooler and PSU aswell. And if i can i am going Noctua and a big boy Seasonic for that sweet lifetime and 12 years warranty.