As I understand HybridGraphics are not well supported in Linux as Windows. So, there are risks. In my case I had an Intel and a Nvidia card and I could never make it work the switch but It does not mean it wouldn't work for you.
@vilda it doesn't make a big difference as long as you use open source drivers. Open source AMD driver is in a much better state than nouveau which makes the option 1) easiest.
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