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I also would add that youTube as limited the playback quality to 1080p for me.

solved: Had to use chrome browser.

I thought the quality of the video looked great.
 
Anyone know what sort of file sizes we’re looking at per minute of video?
Depends if you've picked High Efficiency format or Most Compatible.

2 screenshots attached showing what apple says file sizes will be. The one with "4K at 60fps" is the "High Efficiency" one (as 4k 60fps is not available in Most Compatible)
[doublepost=1506466205][/doublepost]APOLOGIES to OP!
I was in "auto", not "4k" mode. After manually choosing 4k, the video came to life. JUST WOW!!
 

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I know the display can support HDR video playback from certain sources but are video recordings HDR? I do not believe they are.
 
Looks amazing on my monitor! (non4k). Youtube gave me the option to go up to 2160/60fps. DAMN that looks nice. Switching to 4k on my iPhone 8+ now :).
 
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Per Sauki, the Note 8 was better at 30fps vs the 60fps on the iphone with a lot better sound on the note 8.
 
lol my first gen MB pro retina made alot of noise and got really hot while playing the first video in 4k.. and sometimes stuttered a bit... looks like i'll have to replace it soon ;)

but the video looked great!
 
It supports HDR video playback but the iPhone 8/8+ don't have HDR screens.

They have the color, just not the contrast to go along with it, unfortunately. Netflix HDR video definitely looks better on an 8+ than on the 7+ due to the "HDR compatibility", but it isn't full HDR. :(

The video from the device is captured in "Wide Color" though (P3).

Screw you, iPhone X.
 
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