The new breed of Ultra High Definition, or 4K TVs, promise better resolution and more detail than HD sets. Consumer Reports tells you what you need to know and whether they're worth the higher cost.

Previously, the largest U-HD TV made by Samsung was 85-inch measured diagonally. The ultra-HD TVs are also known as "4K" because they contain four times more pixels than an HD TV. AP ...

Best Buy is currently offering the Insignia 50-inch class F50 series 4K UHD smart Fire TV for $180, down from its regular ...

"Ultra HD TVs have four times the number of pixels as regular high-definition sets, so they're capable of razor-sharp detail, especially if you stand up close," he said.

The Samsung Electronics Co. television set represents the next generation in home entertainment, “ultra-high-definition,” or “4K,” TV sets that boast four times the resolution of HDTV ...

4K on the Cheap: Ultra HD TV Is Almost Ready for Mainstream Vizio’s New $1,000 P-Series 4K TV Promises Greatness, But Falls Short By Geoffrey A. Fowler Follow Nov. 11, 2014 1:36 pm ET ...

Believe it or not, 8K TVs are available right now. Yep, 8K, as in four times the resolution of Ultra HD 4K TVs. You can, if you really want to, buy models from Samsung, Sony, LG and TCL in a ...

LG’s 2014 Ultra HD TVs include an HEVC codec chip, for decoding video signals in both MPEG-4 H.264 and HEVC H.265 formats, in either 30 or 60 frames per second. The company didn’t announce ...

Ultra HD is another term for displays with a resolution of 3840-by-2160, also known as 4K. These displays pack four times as many pixels as today’s high-definition televisions.

Chinese TV makers have been making a push into the U-HD TV market as well. According to NPD DisplaySearch, global sales of ultra-HD TV sets will surge from 1.3 million this year to 23 million in 2017.