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LAS VEGAS--Sony's 4K OLED TV is just a prototype, but the company still managed to one-up LG and Samsung by 1 inch and a few million pixels.

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Sony announced 4K TVs in 55 and 65 inches, for undisclosed albeit "real-world" prices.

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Here's another look at those smaller 4K TVs, members of the X900 series. Sony says those "magnetic fluid" speakers are the Kaz's meow.

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Here's the 84-inch X900, currently selling for a cool $25K, showing some sort of sporting event involving a ball. Lack of content is one reason why we consider 4K TVs stupid.

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This W802A LED-based LCD TV sports a sleek new circular stand.

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Samsung's 85-inch 4K TV has what the company is calling Timeless Design. To us it looks like a framed work of art. No price, but expect something in the neighborhood of 20 grand.

Updated:Caption:CNET Reviews staffPhoto:Sarah Tew / CBS Interactive
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Samsung's F8000 LED TV shown here with a lot of apps on screen. Another sleek TV from Samsung.

Updated:Caption:CNET Reviews staffPhoto:Sarah Tew / CBS Interactive
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Another look at the F8000 LED, sans app tiles.

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The F8500 plasma from Samsung has a unique stand design, and the company's latest picture quality-enhancing technology.

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A gooorgeous 84-inch LG 4K.UHD TV on display at the press event. Too bad it costs $20,000.

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LG OLED TV

LG says it will ship this OLED model in March for $12,000.

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A new natural language voice control feature is shown off on an LG Google TV at CES 2013.

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Another beautiful LG. Great stand design.

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Sharp Purios

Sharp's Purios is the first 4K TV to receive THX certification.

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Most of Sharp's TVs are really big. This is a 4K concept model.

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Sharp's TV lineup goes from 90-inch (left) down to pipsqueak 60-inch models.

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Panasonic Viera

Panasonic is sticking with plasma in 2013, and here's a VT60 to prove it.

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Panasonic's WT60 LED TV gets a sleek new stand.

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This Panasonic LED shows off a vanishingly thin bezel.

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Up Next

Sony announces new 4K TVs, and much more at CES 2014 (pictures)