Ultra High Definition TVs: What's Worth the Price Tag

New Ultra High Definition 4K and OLED technologies elevate a new generation of big screen TVs to luxury status.

Courtesy Vizio
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VIZIO Reference Series 120-inch TV

With a display size of 120 inches, Vizio's new upmarket Reference Series is the TV to get if you want to turn a wall into a High Dynamic Range 4K Ultra HD screen. In addition to its daunting size, the TV uses a number of new techniques that enhance picture quality, among them a feature called Ultra Color Spectrum that offers a wider color gamut than current standards require. There is also dual-band wifi for faster downloads from streaming services like the new Ultraflix, which is dedicated to 4K Ultra HD films. $129,999; vizio.com.