So, I am owner of RX 5700XT since november (after upgrading from R9 390) and here's my experience with drivers. First installation back in november was shocking. I thought I had faulty GPU. So many issues...
Random black screens, BSOD, downclocking in low spec games, problems with trying to run anything in 1080p @ 75hz. I thought to myself, I'll wait for fixes. And that's what I did.
The end of the year marked the release of new 2020 drivers and to my joy, many of my issues have been fixed. Since then I've upgraded my monitor to 21:9 ultrawide 1440p with 75Hz and the card is having no problems with it.
The biggest issue (at least for me) still remains though. The bloody downclocking. I've noticed it's mainly in DirectX 9 games. Like for example Black Mesa (not the mod, the game that was in early access). I can't get the card to go higher than 500 MHz on the clock.
That results in around 28 fps on average. I've tried many things. VSR to the max, setting minimal Chill to 75 fps, upping the minimal voltage (it always resets itself)... Rocket League is DX9 too and that runs anywhere between 180 to 220 fps. So what's up with it? Can it be fixed?
OH and another thing! My new display has Freesync. What's the optimal way of setting it up? I've turned it on in drivers and on the monitor itself. Do I now just disable vsync in games and let the games run at 200+ fps or some stupid numbers like that and let Freesync (on 75 hz monitor mind you) take care of it?