In Depth: 4K laptops are gorgeous, but they're not worth it yet

4K to the human eyeAs laptop manufactures pack more and more pixels into their screens, the question of "is it worth it?" arises. In most cases, an Ultra HD laptop will look absolutely gorgeous, but that doesn't translate to it being useful.There are some serious trade-offs, including price, a lack of 4K content andperformance that need to be considered before spending the money to move beyond 1080p.When it comes to clarity, 4K could knock 1080p fromthe top of the hill as the new resol