There is a lots of decent IPTV box recently with some high specs and lifetime
My question is how is the quality of those "claimed" 4K movies compare to Blu ray disc

A typical uncompressed blu-ray disc size is around 60GB -80 GB for a 2hours 4k movies
If its going to be stream to those IPTV box, its definitely compress size video

My question is to what extent?
Is there a way to show how big is the size of the video streaming to your iptv box?

I am asking if its worth to moved to IPTV box from a person used to watch Bluray disc quality