Samsungs new curved UHD TV spans 78 inches and will be one of 10 new 4K sets hoping to convince you to make the upgrade. Itll be joined by both the 55- and 65-inch models revealed at IFA last year, but thankfully weve now got a lot more details on whats going on underneath those pixels and curves. The 78-inch U9000 model is just 1.2 inches deep, but gets a quad-core processor for all the heavy visual lifting.