Didn't forget, just not as impressed.
Games have always been good at making stuff that's far away look real especially when you are looking at it through a glass window. This takes it to the next level, but the illusion constantly breaks if you look at videos instead of screenshots.
The planes and some upclose shots themselves are about as impressive as GT7. I'm ridiculously impressed at all they do to transform their data into proper terrain but that's not really graphical fidelity.
most impressive thing when it comes to the actual graphics to me are the Clouds. But overall Rachet and Clank and Horizon are definitely beating it right now. Perhaps at launch it will look much better.