why is this so incredulous?
it's not that hard to believe. look at what's happening, look at what's actually in the scene and the type of things that are happening.
that's not in game, that's a 'scripted' animation occurring in engine. look at what's on the screen, there's a few elements there but in terms of screen space it's mostly the model of his human head. now crudely, in your own brain just have a think - compare that workload to a 64 player game of battlefield 4.
doesn't it make sense that the ps4 could render that model, and those effects, that overall level of detail - in what's essentially a 3D animation? After all, that's not a dynamic scene where another player could fire a missle at Drake's face, that's basically a cutscene but taking place in a 3d game engine.
i bet you now, in real time gameplay, if you do the old trick of walking up close to a wall such that the camera positions with a very close view of drake's head/face, i bet you that in game - his face will look excellent (no homo). the technology is available to have a model that detailed, and to dynamically adjust the level of detail on things such as camera proximity to the model.
i'm mostly interested in the overall performance of 'gameplay'. wandering through the scene, shooting objects within the scene, observing the enemy movements, animations etc. here you've been presented with a 3d animation produced within a game engine.
That's not the point, this is probably an evolution in real-time graphics rendering. They've done it all so well. It's really, really hard to spot any flaws. Aliasing for example, there is aliasing but it's hard to see it. Whatever AA method they must have come up with might be better than super-sampling.
i think it's too early to tell if it's an evolution in real-time graphics rendering. if this is an evolution, then i think we'll see similar evolution across the board (excluding wii U).
i know the point i'm making, this thread's about the denial of some individuals who thought it wasn't possible for PS4 to output this real time animation, my point: I'm saying it makes sense it could.
in terms of doing it 'so well', well the video seems to be doing it's job, so yes they did.
I had not read the later part of your post, what you're saying is mostly true.