I have the same problem, but mine is on RX 5700. Almost always crash with youtube, even with only 1 single tab open.
Not a single issue with AAA games, but crashs at least once a day. Somethings shuting down de power resolves the problem until next pc reset.
Tried some "fix" that i found on google, but no luck. AMD seens to not care about this problem with their customers. All drives are up to date.
Also, the crashs get more or less frequent with every AMD driver update. With makes me believe that is a problem with the AMD product.