Found a great paper about this; PS4's Killzone Postmortem: http://www.guerrilla-games.com/presentations/Valient_Killzone_Shadow_Fall_Demo_Postmortem.pdf Yeah, it looks like I was spouting out some insane numbers. ;)
Okay; would you kick me out of bed if I gave you a battleship model that consisted of 3 million tris for an XBone or PS4 game? Or would I just be crazy?