I am also probably going to use Moonlight to stream the pc to other devices, which isn't available for AMD gpus, but I did find Sunshine. It is not possible to enjoy Twitch streaming and Shadow Recording at the same time on ShadowPlay so most of gamers love to use OBS to stream their content. As far as which gpu to get, doing some research it seems they are both around the same performance but the Nvidia one has better ray tracing and the AMD one has more VRAM. Hopefully AV1 can be implementedand supported for. Users can now broadcast their gameplay and commentary live to gamers worldwide without the need for any. I'm trying to keep it as cheap as possible besides the gpu, but I couldn't help it getting pretty expensive. Unfortunately, while Nvidia’s Shadowplay feature does get 8K60 support on Lovelace via the dual encoders, only HEVC is supported at this time. 1, which brings live Twitch Streaming to Shadowplay. Moonlight connects to the Nvidia game streaming protocol intended for Shield. However, alerts like Shadowplay, not working can. Looking for a uHD and qHD 144hz HDMI or display port 4x4 matrix switcher Moreover, you can likewise broadcast a live stream on social media or YouTube at varying resolutions.You can just stream your windows pc and performance is even better than steam link.

You might want to look into sunshine and moonlight. What's a game that's impressed you on your SD and what's one that disappointed, from a playability perspective. Haven’t given it a try personally but it gets recommended quite a bit. You can try sunshine and moonlight combo.

Probably the only option within your budget. Another option would be Moonlight streaming from your normal PC.

Shadowplay streaming