The original article stated that the prices are in US dollars
...based on what?
That already exist today.
It's called the Radeon RX Vega 56/64
These are nothing more than placeholders with specs taken from Adored's hoax
200W is pretty optimistic
Realistically, probably 250W+
What are you taking about?
There is no evidence that there was supposed to be tape-out at the end of last year.