OP's Source is Wired Exclusive interview with Mark Cerny. Promoted By every playstation Twitter Handle. This is not a leak or Rumor its official.
Also considering that ray tracing is reality on Nvidia cards and now even on older generation cards, A custom Ray tracing solution designed for closed off API will be much more efficient that a PC version.
I'm going to say its going to be purely theoretical benchmarkings, but I won't mind being proven wrong when everything is done
"I think people should define the word crap" - Kirby007
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