How Good Is It? Amazing!
So what do you actually see on a 4K display? View a full-resolution screen shot, rememembering that each and every image is this level of visual treat.
At full size (click), this image is an actual screen shot in Photoshop CC on the Dell UP2414Q Amazing!
My only gripe? That 3840 X 2160 is a 1.77:1 aspect ratio, as compared to the 1.5:1 aspect ratio for a DSLR and 4:3 aspect ratio for Micro Four Thirds, which means that the display aspect ratio is at odds with common picture sizes.
Click to view a full-res screen shot.