Where do they mention hardware RT?
From E3,
4x XB1X CPU and GPU.
40x XB1X drive performance.
At face value, that's kinda unbelievable. Sony's been talking about a 20x improvement and we've debated how realistic that is, so short of a battery backed up RAM cache, how is 40x possible? And 24 TFs for the GPU?? Only if it releases in 2025 (announced for 2020), or costs $2000.
Those numbers are...marketing.
Some sort of arbitrary relative performance. We have quite a ways to go to determine what the real hardware is.