Haha yeah, I have had phones with color temperature differences before and they look 100% fine any time I am not doing a side-by-side comparison. Stop torturing yourself! Even a perfect phone looks warm if you put it next to a bright white piece of paper or something - 'true' white is actually slightly warm, and not everyone is used to it.
I knew the XL display was Samsung, I didn't know the P4 was LG. Could be some significant differences there for sure.
Yeah everyone who was worried about battery life on the P4 I don't think realized the CPU dropped from 10nm to 7nm which is pretty significant in terms of power usage. Also, the phone manufacturers aren't stupid - they aren't going to put out a new model with significantly worse battery performance than a prior year (on purpose anyway). Almost every time people are worried about battery life it ends up being unfounded.
The camera zoom I find to be excellent out to about 4X, and by 8X it's still way better than anything else I have seen, but you can tell it's not the same as the lower magnifications.
Yeah the phone is stupid fast, every single year I say this, but it's hard to imagine it being faster because it's literally instant for most tasks. Web browsing and google assistant got huge speed boosts. You can also speed up the animations in the developer options and it will feel even faster because it's being artificially slowed down at default settings. I think I am most impressed how fast/seamless face unlock is, and it works in any orientation. You don't even have to think about it, your phone is just always unlocked and in the screen you want by the time you have it in your hands. I've still reached for that rear fingerprint sensor that doesn't exist about 1000 times so far though
Holding your hand near the phone to quickly check notifications is cool too, and I love that it lowers the volume of rings/alarms when you reach for it. I have, however, smacked my water bottle across the room while snoozing an alarm so I will have to think about that next time