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Highlights

  • Key Specs
    • Display Type: LED
    • Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
    • Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: HDR 10+ (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • LED Panel Type: Standard LED
    • Backlight Type: Full Array Local Dimming (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
    • Refresh Rate: 60Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Motion Enhancement Technology: Motion Xcelerator (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
    • Smart Platform: Tizen (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
    • Featured Streaming Services: Apple Music, ESPN+, Facebook, Google Play Movies & TV, Google Play Music, Netflix, Prime Video, Spotify, YouTube, YouTube TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
    • Number of HDMI Inputs (Total): 2
    • Works With: Google Assistant, SmartThings (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: Amazon Alexa, Bixby (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
  • General
    • Brand: Samsung
    • Model Number: UN55U7900FFXZA
    • Product Name: 55" Class U7900 Series UHD 4K Smart Tizen TV (2025)
    • Color: Black
    • Series: U7900 (Part of a group of the same product type with similar features.)
    • Model Year: 2025
  • Dimensions
    • Product Height With Stand: 29.9 inches
    • Product Width: 48.2 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth With Stand: 7.8 inches
    • Product Height Without Stand: 27.9 inches
    • Product Depth Without Stand: 3 inches
    • Product Weight With Stand: 21.8 pounds
    • Product Weight Without Stand: 21.2 pounds
    • Stand Width: 1 inches (The horizontal measurement of the stand/base, or the distance from the outside of one leg to the outside of the opposite leg, as it is attached to the product.)
    • Stand Depth: 7.8 inches
    • Adjustable Stand Width: false (Whether the stand can adjust to have more than one measurement either between the legs or the base itself.)
  • Display
    • Display Type: LED
    • Resolution: 4K (2160p) (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
    • Screen Size: 55 inches (Size of the screen, measured diagonally from corner to corner.)
    • Screen Size Class: 55 inches (The group size measurement of a screen. This differs from a screen size measured diagonally from corner to corner.)
    • High Dynamic Range (HDR): true (An HDR-compatible 4K TV or other HDR-compatible product displays HDR video content when it's available from sources like 4K Ultra HD Blu-ray Discs and 4K streaming services.)
    • High Dynamic Range Format: HDR 10+ (There are a few HDR formats that tell the TV or other HDR-compatible product how to best utilize its capabilities to display HDR content. HDR technology can support one or multiple formats, each with various benefits to picture quality.)
    • Picture Quality Enhancement Technology: Crystal Processor 4K
    • LED Panel Type: Standard LED
    • Backlight Type: Full Array Local Dimming (Edge-lit: lights are on the edges of the display with ~10 zones of vertical LEDs. Direct-lit: lights are on the edges and behind the screen for more light uniformity than Edge-lit. Full array: direct-lit with local dimming for greater contrast with up to 100 zones of LEDs.)
    • Curved Screen: false
    • Refresh Rate: 60Hz (The number of frames per second the device can produce natively without enhancement. Higher rates help produce smooth, seamless pictures.)
    • Motion Enhancement Technology: Motion Xcelerator (Proprietary technologies produced in addition to the Refresh Rate that smooth out faster moving pictures to reduce blur and pixelation.)
    • Synchronization Technology: Not Applicable (Generally, these technologies allow syncing between a computer/console game's frame rate and the device's refresh rate for a smoother display without tearing.)
    • Language(s) Displayed: English, French, Spanish (The available language options for displayed text or captions.)
  • Features
    • Remote Control Type: Standard
    • Smart Capable: true (Smart, or smart-capable devices are able to connect directly to your home network in order to stream content from the Internet, run Internet-based apps, or connect to other smart devices.)
    • Smart Platform: Tizen (Just like a computer, a smart TV needs an operating system (also called a smart platform) in order to access the Internet, connect with entertainment apps, and play streaming content. Some common TV smart platforms are; Roku TV, Android TV, and Chromecast.)
    • Featured Streaming Services: Apple Music, ESPN+, Facebook, Google Play Movies & TV, Google Play Music, Netflix, Prime Video, Spotify, YouTube, YouTube TV (Streaming services and other programs are available on this device. Keep in mind, there may be more services supported than just those shown here.)
    • Screen Mirroring: true (Casts the screen of one device onto another wirelessly, using a common protocol (typically Bluetooth).)
    • Screen Mirroring Technology: SmartThings
    • Content Sharing: Mobile to TV (The device is capable of connecting to another device in order to send or receive streaming content. Share content from your mobile device to your TV or vice versa.)
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
    • Protective Qualities: None
    • Text-To-Speech: true (A system that converts language text into speech.)
    • V-Chip: true (Feature that blocks television programming if it has a content rating outside of the acceptable rating(s) configured by the user.)
    • TV Tuner: Digital (The ATSC TV Tuner is a component built into conventional TV sets or other devices for receiving over-the-air broadcast TV without a cable/satellite box. Digital tuners may be purchased separately and connected to a device if it does not have one built in.)
  • Connectivity
    • Number of HDMI Inputs (Total): 2
    • Display Connector(s): 2 x HDMI (The number and type of connectors used to connect to an external display.)
    • USB Ports: 1 x USB-A (The number and type of USB ports the product has.)
    • HDMI Audio Return Channel (ARC): eARC
    • Wireless Connectivity: Bluetooth, Wi-Fi (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • RF Antenna Input: false (This input is used to connect devices such as antennas or cable boxes to a TV via a coaxial cable.)
    • Number Of USB Port(s) (Total): 1 (The total number of USB ports including all generations and versions.)
    • Wireless Networking Standard: Wi-Fi 5 (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
    • Bluetooth Version: 5.3 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
    • Headphone Jack: false (The device features an interface that allows for the connection of headphones.)
  • Compatibility
    • VESA Wall Mount Standard: 200mm x 200mm (VESA wall mount standards refer to the spacing of screw holes built into a TV in order to fit with standard TV wall mounts. These standards are implemented into most TVs and monitors.)
    • Works With: Google Assistant, SmartThings (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: Amazon Alexa, Bixby (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
  • Audio
    • Built-In Speakers: true
    • Speaker Output: 20 watts
    • Number Of Speakers: 2
    • Number of Audio Channels: 2 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
  • Power
    • ENERGY STAR Certified: true (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
    • EPEAT Qualified: false (The Electronic Product Environmental Assessment Tool (EPEAT) was designed to provide an environmental assessment tool for purchasers. In order to qualify for EPEAT, a product must meet all 23 required criteria.)
    • Estimated Annual Operating Cost: 30 United States dollars (Predicted cost of operating the product under average conditions for one year.)
    • Estimated Annual Electricity Use: 187 kilowatt hours (Predicted amount of electricity needed to operate the product under average conditions for one year.)
  • Included
    • Wall Mount Included: true
    • Stand Included: true
  • Warranty
    • Warranty - Parts: 1 Year
    • Warranty - Labor: 1 Year
  • Box Dimension
    • Height: 31.9 inches
    • Width: 53.3 inches
    • Depth: 5 inches
    • CubicDimension: 8501 inches
  • Other
    • UPC: 887276951843

Upgrade your home theater with this stylish 4K TV featuring vibrant colors, rich contrast and an advanced 4K processor. Stay endlessly entertained with thousands of on demand shows and movies for free and enjoy peace of mind as watch thanks to our proprietary triple layer security that protects your personal data across all connected devices at once.

  • Crystal Processor 4K: Immerse yourself in colorful, lifelike entertainment and catch every shade of color as it was meant to be seen in dazzling 4K resolution. Plus, enhance the clarity of your content with powerful 4K upscaling, ensuring that everything you watch movies, TV shows, games and sports looks sharp and clear, bringing every detail to life.
  • MetalStream Design: Enhance the look of your space with a sleek TV made from a single sheet of metal. Inspired by aircraft design, it showcases clean lines that beautifully balance form and function. With a slim bezel and elegant look, this TV not only enhances your décor but also minimizes distractions and expands your viewing.
  • Samsung Knox Security: Your TV experiences are secured. Samsung Knox Security protects you from harmful attacks by automatically blocking unauthorized apps and phishing websites. It also safeguards your IoT devices connected to your TV, plus your sensitive information, including your PIN codes and passwords. With regular updates, your TV is always kept safe.¹
  • Endless Free Content: Watch 2,700+ free channels, including over 400 premium Samsung TV Plus channels and on free streaming apps with just an internet connection. With Samsung TV Plus, get live national and local news, sports, movies, music, kids' shows, K Content and reality TV all for free. Plus, enjoy thousands of free movies and shows on demand. Plus, discover a diverse lineup of channels from free streaming TV services like Pluto TV and Freevee. There’s content for every occasion or mood.²
  • 4K Upscaling: Get up to 4K resolution on all the content you love to watch. See amazing details come to life in every scene of shows or that classic film you love. Even if your content's source quality is lower resolution, our powerful processing upgrades to near 4K to unlock never before seen elements in whatever you're watching.
  • Motion Xcelerator: Play your favorite video games and enjoy sports with fast motion clarity. This technology automatically estimates the motion between individual frames and then uses it to predict subsequent frames to improve the smoothness of the motion. It provides fast performance for your favorite games.
  • HDR: Get expanded contrast between the lightest and darkest parts of a scene, so you can enjoy a wide spectrum of colors, enhanced detail and depth. See your content with added realism from the reflective highlights in a dark, moody alleyway to the deep shadows cast on a bright and sunny afternoon. In HDR10+ content, each scene is dynamically tone mapped for optimal contrast and enhanced HDR performance.
  • Color Booster: Reimagine the vibrancy of color set the tone for the scene with richer hues that burst with purity and intensity. With just a few clicks on the remote, you can enhance the saturation of your content and make every single color stand out. Watch as warm reds and oranges radiate with a fiery glow, while cool blues and greens glow like precious gems.
  • Object Tracking Sound Lite: Feel like you're in the middle of the action with sound that follows objects on screen. Featuring a virtual top channel, every sound is placed in space and moves with the action, enhancing your sense of immersion. Whether it's a car chase, an intense shootout, or a romantic dinner conversation, you’ll feel like you're right in the middle of it all.
  • Q-Symphony: Unlock more robust, nuanced sound when your Samsung TV and soundbar speakers work together as one. Most soundbars mute the TV speakers when activated. Why choose between your TV and soundbar to play sound, when you can have them both work together? Enjoy optimized surround sound, hear clear dialogue, and dive into a cinematic sound experience.³
Whats Included
  • User Manual
  • E-Manual
  • Power Cable
  • IR Simple Remote
Documents
  • Energy_Guide_PDF
Disclaimers
  • ¹Personal data includes directly input PIN codes and passwords, and IoT device information shared through the SmartThings app. The latest software is required.
  • ²Samsung Account required for network based smart services, including streaming apps and other smart features. Computer, mobile or other device may be necessary to create/log in to Samsung Account (free to download and create). Without Account log in, only external device connections (e.g., via HDMI) and terrestrial/over the air TV (only for TVs with tuners) available. Channels may vary by location and are subject to change. UI is subject to change without prior notice.
  • ³Requires a compatible 2020-2025 Q-Series, S-Series, B750F or B650F soundbar (sold separately). For more information, check soundbar specifications.

Q: The specs state a wall mount is included, is that accurate?

A: Hi Kenb, We're sorry for any confusion, a wall mount is not included. It does include removable feet. ~Samsung Advisor

Q: Can I connect my TV ears to this TV?

A: Hi Edward, Yes, you can connect an antenna via the antenna port. ~Samsung Advisor

Q: What is the width between the feet? This is important for understanding the minimum width of a media stand required for the television.

A: Hi Nic, The distance between the stand legs on the 55" U7900 TV is 32". ~Samsung Advisor

Q: Hello, can this tv be mounted on the wall and is there USB plugs for a dvr?

A: Hi GS, Yes, you can mount it with an external wall mount, and the U7900 offers a USB port for external devices. ~Samsung Advisor

Q: Does ths have HDMI 2.1?

A: Hi Zach, With HDMI 2.1 being such a complex topic, we feel it’s clearer to highlight the specific features supported by each TV model. The U7900 has 2 HDMI ports, all of which support HDR10+ and Auto Low Latency Mode (Auto Game Mode). HDMI port #2 further supports eARC. If you’re looking for a TV capable of 4K@120Hz, please consider a step up to the 55-85” Q8F TV, which supports this feature in all HDMI ports. ~ Samsung Advisor

Q: How do I scan for antenna channels on my new U7900 tv? Antenna is plugged in and working but not all channels are picking up.

A: Hi Lily - Please allow us the opportunity to better assist by contacting Samsung Support at 1-800-SAMSUNG. We’re available daily from 8AM to 12AM EST, or you can chat with us at https://www.samsung.com/us/support/contact/ ~ Samsung Specialist

Samsung - 55" Class U7900 Series UHD 4K Smart Tizen TV (2025)

Model: UN55U7900FFXZA
SKU: 6632331
$279.99
Save $100
Comp. Value: $379.99
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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Love them

    The tv is good i got 2 for 2 room and we love them

    Posted by SilviaC

  • Rated 5 out of 5 stars

    Good quality

    I played my PS5 with this TV, looks amazing. Can’t never go wrong with a new Samsung TV!

    Posted by Hakeem920

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