Native 4K vs pixel shifting: 4K projectors explained

[What Hi-Fi?]

Projectors can use two different methods to achieve 4K; find out what these are and how they work.

Native 4K vs pixel shifting: 4K projectors explained : Read more

 

[DougM]

Surely pixel shifting has to output 4 shifted images to produce 4k? Otherwise you just don't have enough pixels.
Edit: or maybe they really are only doing double-width and not double-height, in which case this fake 4k is not going to look nearly as good as a true 4k image.

 

[Fever]

In fact, this article was written with misinformation.
Pixel shift is done at a frequency of 240hz, so 4x 1920x1080 @60hz
Not 2x!