4K resolution
So while 4K UHD sounds like it has a pixel structures with 1/4 the area of 1080p, that does not happen with pixel shifting. Only a true 4K projector offers that level of resolution. That's why "true" 4K projectors cost so much more than 4K UHD projectors with otherwise similar feature sets. They produce smaller pixels, finer resolution, no compromising of detail or color from overlapping pixels. By comparison, the slight difference in aspect ratio between DCI and 3840×2160 pixel displays without overlap is insignificant relative to the amount of detail.
4K! – Fourth Republic!
The 4K! – Fourth Republic! (), often abbreviated 4K!, was a social-democratic political party in Hungary. It was led by András Istvánffy. It was formed at a Congress in April 2012, and its membership was largely drawn from a predecessor civil organization, also called 4K!.