I am a simple worker. I know only what I have access to. Do you think I'm going to know what's going on at Microsoft? Or at Sony? They are opinions. But... you mean this?
ir.amd.com
If this was what you were referring to, I don't consider this type of collaboration to be the same as Sony's.
For the same reason I can't imagine Sony releasing a competitive OS today. Logically they are generalist examples. Each one is good at what she has experience with. Sony is used to making Hardware (with its achievements and failures). And Microsoft to make Software (with its achievements and failures).