Given MSFT’s current business strategy, having a PC performance target provided to developers is probably sufficient to get the ball rolling.
Sony on the other hand is far more focused, console minded and less distracted by PC matters. Sony also has far more first party, exclusive titles and mature dev kits are needed to maximize performance in those games.
But looking at this seems like they are without even a target.
duduspace11 "Well, since we are estimating costs, Pokemon Red/Blue did cost Nintendo about $50m to make back in 1996"
Mr Puggsly: "Hehe, I said good profit. You said big profit. Frankly, not losing money is what I meant by good. Don't get hung up on semantics"
Azzanation: "PS5 wouldn't sold out at launch without scalpers."