More the reason I was surprised since find the Note 4 display presents content better and easier to access functions than the Mr. Fantastic 8+
The 8+ is more awkward to use than the Note 4. I have medium hands.
I found you can choose either way. I prefer filling the screen but you can watch in original format. On HD Youtube without stretching there are black bars at top and bottom as well as sides. I don't get the bars on top and bottom. Anyway you can expand and it fills screen and you lose very little.So it's cropping the content rather than giving you a full 16:9 with black letter boxing around it?
I found the identical youtube video on my V20 looks bigger than the cropped full screen (no black bars) video on the 8+. The 8+ is much longer but so narrow it gives the impression of being small. Like a face from same video at same time looks bigger in V20 than 8+.Here's an article that went through the math, I haven't had time to read through and see if it's correct:
http://www.theverge.com/tldr/2017/3/30/15120824/screen-aspect-ratio-mathematics-galaxy-s8-lg-g6
"So yes, at 85.12cm², the Galaxy S8 has a significantly smaller display area than a 16:9 phone with the same diagonal screen measurement (which would be 92.16cm²). In fact, it’s not a huge distance away from the Pixel’s 5-inch-diagonal 16:9 display, which is exactly how it feels in person. These measuring differences are more than academic: the nominally 5.8-inch Galaxy S8 is ergonomically similar to the Pixel, and the same is true of the 6.2-inch S8 Plus vis-a-vis the 5.5-inch Pixel XL. This would suggest that Samsung’s cramming a lot more screen into the same physical footprint, but in reality it’s only a moderate amount of extra screen."
Pulling down notifications on clicking icons on the top hand side or bottom hand side. Easier to reach far side.But that says nothing about how it's "easier to access functions" on the Note 4 than the S8+. Which functions, and how is it harder on the S8?
But you have less USABLE screen area.I too would have preferred square corners, but really what are you losing in those corners that you need to see? I also would have preferred a 16:9 screen ratio, but you get more screen area without making the phone too wide. I don't find the height as much of an issue because the width of the phone fits comfortably in my hand.