You may be interested in an LED HD TV, but we suggest you should buy a 4K Ultra HD model.  An LED HD TV would technically have a resolution of 720p and an LED Full HD TV would have a resolution of 1080p.  

On the other hand, the price sweet spot for TVs right now continues to be 55-inch models and in particular 55-Inch 4K Ultra HD Smart TVs that have an amazing resolution of 3,840 x 2,160p.

LED HD TV: Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV

Interested in learning about other popular LED TVs?  Be sure to see our other articles about some of the best!

If you’re buying the primary TV for your home, then you’re past buying a standard HD or Full HD model unless you’re looking for a smaller TV.  It just doesn’t make sense to get older technology that won’t be compatible with the quantity of 4K UHD entertainment that is beginning to flood the market.  If you want a 55-inch or larger, then 4K UHD is the way to go.

We searched television forums, social media, retail sites, consumer sites, manufacturer sites and customer review sites to find the most popular and highly rated 55-inch 4K Ultra HD LED Smart TV.

Take a look at our choice and see if this popular 4K Ultra HD Smart LED TV by Sony is the best LED TV for your needs!

Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV

LED HD TV: Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV

If you’re looking for the best in picture quality with all the latest picture and smart TV technology, the Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV is an excellent choice.  It features stunning clarity, high dynamic range (HDR) color and contrast, and full-array local dimming technology that produces a more lifelike picture all packaged in an incredibly slim design that keeps your focus on the beautiful images.  Sony has packed in some cutting-edge technology into this LED HD TV including their X1 Extreme Processor, 4K X-Reality Pro, and X-tended Dynamic Range PRO 6X that produce superior brightness and a wide contrast range that deliver a premium 4K television experience.  Additional integrated image technology includes X-Motion Clarity and TRILUMINOS display that offers the best in fast action clarity and the widest, brightest, and most vivid color palette on any LED TV.  And if that wasn’t enough, you also get integrated Amazon Alexa and Google Home compatibility so you can control the TV or even your home with your voice.

LED HD TV: Features

  • 55-inch, 4K Ultra HD, Smart LED TV
  • The slim narrow, exquisitely designed aluminum frame keeps you focused on the screen and its beautiful images with no distractions, while cables stay cleverly hidden at the back and the front
  • 4K HDR Processor X1 Extreme includes powerful real-time image processing for ultra-detailed pictures and it upscales everything you watch to near 4K HDR quality
  • X-tended Dynamic Range Pro delivers up to six times the contrast of conventional LED TVs ensuring more faithful reproduction of bright and dark scenes while revealing amazing detail through exceptional contrast
  • Sony’s X-Motion Clarity Technology keeps fast action smooth and clear with no loss of brightness and with precision control of images to minimize blur even during high-speed scenes
  • Compatible with all the new 4K HDR entertainment available you get the excitement of movies and games in a variety of HDR formats including HDR 10, Hybrid Log-Gamma, and Dolby Vision
  • Dolby Vision brings scenes to life with striking highlights, deeper darks, and vibrant colors for a more immersive, engaging cinematic experience right in your home


  • This model delivers amazing brightness using a TRILUMINOS display that maps colors from a wider palette to faithfully reproduce every shade and hue
  • 4K HDR Super Bit Mapping reveals thousands of shades and gradations of light for clear and bright scenes that are true to life
  • Certified to work with Amazon Alexa so you can control your TV with your voice including power on/off, channel changing, input-switching, and volume adjustments
  • Enjoy fun-filled HDR gaming with vivid textures and intensely bright colors using your Sony PlayStation 4 or PlayStation 4 Pro game consoles
  • Now you have an integrated assistant in your Android TV by Sony that features the Google Assistant that can play your favorite movie, check the score of your favorite team, control your TV, and even control your home
  • Sony’s Android 4K TVs are recommended by Netflix
  • Dimensions without stand are 48 3/8W x 27 7/8H x 2 3/4D inches and with the stand are 48 3/8W x 30 3/8H x 10 5/8D inches  

LED HD TV: Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV


  • 4 -HDMI
  • 2 – USB 2.0
  • 1 – USB 3.0
  • 1 – Composite port

Included Accessories

  • 1 – Voice remote control
  • 1 – Battery set
  • 1 – AC power cord (2-pin, flat blades, polarity)
  • 1 – IR blaster
  • 1 – Tabletop stand

Customer Reviews

Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV Customer Reviews >>>


  • Beautiful design
  • Amazing picture quality
  • Latest technology
  • Easy setup


  • None noted


Sony XBR55X900F 55-Inch 4K Ultra HD Smart LED TV Reference Guide >>>


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What do you think of this Sony LED TV?  Which Smart TV are you planning to buy?  Please take a moment to leave a comment below.

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The right LED TV can make all the difference in your entertainment enjoyment.  Choosing the right size and trying to stay within arm’s reach of the technology edge will make sure your TV is relevant for the longest period possible.  We sincerely hope that this article has provided you with valuable information that helps you choose the best LED HD TV for your needs.

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