The inside of The Sphere is so much more impressive than the outside. The resolution/crispness of the “screen” isn’t talked about but it is a unique experience, unlike any venue or film I have ever been to. I went to U2 a few weeks ago and want to go again. The IMAX comparison is not even close, they are calling it 18k and if you can imagine an IMAX screen wrapping all the way over your head you are on the way. I have heard the U2 show is more impressive than the film, but I haven’t seen the film yet.