2024年11月15日 · 4K Ultra HD is the name assigned to a screen with a resolution that’s four times that of a Full HD (1080p) TV. That translates to 8 million pixels being crammed into the same space in which a...

Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9.

2024年12月18日 · The best 4k TV we've tested is the Samsung S90D/S90DD OLED. It's an incredible 4k TV that looks amazing in a dark room, as bright highlights in HDR content stand out incredibly well, with no distracting blooming or haloing around bright areas of a scene.

At Walmart, you'll find Everyday Low Prices on 4K Ultra HDTVs from top brands. Pick up a Samsung 4k Ultra HDTV, a Sony 4K Ultra HDTV or a Vizio 4K Ultra HDTV today. Or check out our 4K UHD sets from LG, Toshiba, Polaroid, Sceptre, Seiki Digital and Orion.

UHD, which stands for Ultra High Definition, offers you stunning detail on a host of 4K movies, shows and content. This technology is often combined with HDR, high dynamic range, to provide experiences that feel real, with enhanced contrast and increased color depth to deliver even blacker blacks and bright images.

With four times the resolution of Full HD, lifelike color and contrast, and more 4K content available all the time, a 4K Ultra HD TV makes the home theater experience truly cinematic. And, did you know that all of our 4K TVs are smart-capable?

2024年7月18日 · The best 4K TV you can buy, from budget sets to the best 4K TVs from Samsung, LG, Sony and more.

2025年1月19日 · We’ve tested a wide range of big-screen TVs to compile a list of the best options available for every budget. Whether you’re looking for an affordable upgrade or a high-end masterpiece, you’ll find the perfect TV to fit your needs. And if you’re looking to enhance your audio experience, don’t forget to check out the best soundbars as well.

Ultra-high-definition television is a new technology that offers extra high resolution, with super sharp pictures and more vivid colors. If you're looking for a more immersive viewing experience, here is a great place to start.

2021年7月16日 · What is an Ultra HD TV? An Ultra HD — or "4K" — TV is one with a resolution of 3840x2160. This is even higher than regular HD — displaying over 8 million pixels on screen compared to around 2 million — which means you get an exceptionally sharp, detailed image.