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But these resolutions have always been there. IBM made a 3840 X 2400 display about 10 years ago. so is it Apple leading or Apple following someone else then getting (taking) all of the credit for the change???

It is an interesting point you're bringing up, but I would say that it's more like Apple creates the credit worth taking in the first place.
 
Because someone brought up 4K and that we should use very expensive media that can't hold very more data than Blu-ray presently (flash memory type media) and you wanted to shime in with this little piece :



It's not really a tangeant, it's very much on-topic for a thread about 4k resolution capable monitors. According to your bit of logic, 4k movies would look worse than your upscaled DVDs...

*sigh*.

If I'm watching a movie on my future PC, it's probably not going to be on a disc. The troubling thing is that bandwidth is becoming more and more scarce... but I have much more than average.

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Because 15" displays are typically viewed from 16" to 24" away, and 21" displays are typically viewed from 24" to 30" away. (Per the original post's graphic.) So different resolutions can be used to qualify for "retina" resolution.

Sadly, I have to sit the same distance from my 24" monitor as from my 15" monitor because of my messed up eye focus distance.
 
If I'm watching a movie on my future PC, it's probably not going to be on a disc.

I don't focus much (no pun intended) on "watching movies" on my PC or laptop. If I'm at home, I'll watch them on the home theatre. If I'm traveling, I may watch them on the laptop - but more likely I'll be fine tuning my presentation for the conference to which I'm going, or preparing my trip report for the conference from which I'm returning.

It is a bigger issue for content creators, though.


The troubling thing is that bandwidth is becoming more and more scarce... but I have much more than average.

I'd say that it's becoming more and more expensive - not scarce. ;)
 
Ah, now we know why you can't see Blu-ray's quality, your eyesight is completely messed up! :p

I wear glasses when watching a movie, of course, which fixes the problem. I just can't use glasses on a PC monitor because it hurts my eyes unless I sit far away. I would say that I am "nearsighted", but that word has too many other meanings.
 
Why would the 15" and the 21" be the same 3840 x 2160?

On a Mac, they shouldn't be. I think everything should be quad resolution of the original. That way everything scales to the exact size of the current displays with HiDPI.

So a 13" MacBook should have a 2560x1600 display. (same as the old 30" displays).
A 15.4" MacBook Pro should have a 2880x1800 display.
A 21.5" iMac should have a 3840x2160 display. (Also, the same with a 17" MacBook Pro)
And a 27" iMac should have a 5120x2880 display.

The 11" MacBook Air already has the funny 1366x768 "720p" TV Panel, so it's already a higher than usual DPI for Mac displays. I don't know what retina display it should have, perhaps not a different one at all to keep cost down? (Same with the 13" MacBook Air, it has the same 15.4" standard resolution of 1440x900).
 
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