A 40 inch flat screen TV is the perfect size for many uses like dorm rooms, bedrooms, apartments, rec rooms, and more. The newest models display 4K Ultra HD resolution that takes your viewing experience to new levels. The industry is still working on producing 4K Ultra HD content, but more content arrives every day. In truth, 4K Ultra HD content is not as important for a 40 inch flat screen TV as it is for a 70-inch model for instance. Unless you’re sitting very close to the TV, you may not notice as much of a difference with the smaller 40-inch model.
A 40 inch flat screen TV is also a great value. Its large screen is very versatile, but the prices for these models have come down to the point that they are really a bargain, even for some 4K Ultra HD models. If you opt to go with Full HD instead of 4K Ultra HD, you will save even more money.
You can also expect a new 40 inch flat screen TV to be a Smart TV with apps galore and a nice interface to your favorite streaming content like Netflix and Amazon Video. Through a collaboration with Roku, some models have Roku technology built-in. If you don’t already have a streaming media player like a Roku, Roku delivers one of the best streaming media experiences available.
Interested in seeing other popular HDTVs? Be sure to see our other articles about some of the best!
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Of course to take advantage of a 40 inch flat screen TV with Smart TV capability you will need a high-speed internet connection. Some models have built-in wireless connectivity to that all you have to do is connect the 40-inch TV to your home Wi-Fi network and you’re ready to stream.
We searched TV forums, retail sites, consumer sites, social media, manufacturer sites, and customer reviews sites to find the most popular and highly rated 40-inch flat screen TVs.
Take a look at our choices and see if one of these flat panel TVs is the best flat screen TV for your needs!
40 Inch Flat Screen TV: Top 5 Best Rated 40 Inch LED HD Smart TVs
With premium picture quality, full HD 1080p resolution, integrated dual-band Wi-Fi, and built-in Roku technology, the TCL 40FS3800 40-Inch 1080p Roku Smart LED TV delivers a great TV and media streaming experience all in one great TV. This 40 inch flat screen TV combines a high-definition display with an advanced refresh rate to provide an amazing picture and blur-free action. Its personalized home screen provides easy access to over 3,000 streaming channels, cable TV, gaming consoles and other multimedia devices without having to switch inputs or wade through complicated menus. Easy-to-use casting capability supports sending photos and video from your smartphone or tablet and music as well as movies, web videos, and more directly to your Roku TV using Netflix and YouTube mobile apps.
40 Inch Flat Screen TV: Features
- 40-inch Full HD 1080p, 60Hz (120Hz effective) refresh rate, LED (full array) flat panel smart TV with integrated Roku technology
- Personalized home screen delivers over 3,000 streaming channels, cable TV, and gaming console play in one simple-to-use area
- A high definition display paired with an advanced refresh rate, and dual-band Wi-Fi allows you to capture every moment. You won’t miss a thing.
- Simple Roku TV remote features fewer buttons and less confusion
- Built-in casting capability supports sending your photos and video, from your smartphone or tablet and music as well as movies, web videos, and more directly to your Roku TV from Netflix and YouTube mobile apps
- Built-in Roku Voice Search is the fun way to find movies, TV, and more by title, actor, or director across the top streaming channels
- Free mobile app transforms your smartphone or tablet into a Roku remote to control your TV or browse and add new channels
- 40 flat screen TV measures 35.9W x 22H x 3.2D inches without the stand and 35.9W x 20.5H x 7.9D inches with the stand
- 3 – HDMI in
- 1 – USB in
- 1 – RF in
- 1 – Composite
- 1 – Headphone jack
- 1 – Optical audio out
- Very easy setup
- Interface customization features are really nice
- Great picture quality
- Roku feature makes all the difference
- Sound quality leaves much to be desired
- VESA pattern won’t work with many mounts
- Roku account required for setup
- A lot of complaints about the simplistic remote control
With the Sony KDL40W650D 40-Inch 1080p Smart LED TV, you will enjoy stunning Full HD 1080p resolution across all your media entertainment from Blu-ray to TV and movies. Its slim design provides near edge-to-edge video display and delivers the same big screen performance in a smaller size. Its innovative XReality Pro noise reduction technologies deliver a cleaner, more refined picture with outstanding clarity and sharpness. Motionflow XR 240 refresh rate technology provides precise motion clarity during fast action scenes in sports and movies. Built-in fast Wi-Fi means you will get connected quickly to take advantage of all the available online content including video channels like Neflix and Hulu. It even delivers pure, natural audio using its built-in computer model to compensate for inaccurate speaker response.
- 40-inch Full HD 1080p, 60Hz (Motionflow XR 240 effective) refresh rate, direct-lit LED flat panel smart TV
- Incredibly slim design with a narrow frame delivers more TV in a smaller space with near edge-to-edge pictures
- Link up easily to your home network using built-in Wi-Fi
- Play music, video clips and your photos using super multi-format USB play that supports a wide range of codecs from any USB stick
- Built-in cable management design allows you to neatly arrange your cables across the back of the TV and channeled into the stand
- Sony’s Motionflow XR 240 refresh rate technology delivers precise motion clarity during fast moving action sequences in sports and movies
- An integrated, powerful computer model compensates for inaccurate speaker response to provide pure, natural audio with smooth and even reproduction of all frequencies
- Use screen mirroring to send your content and apps directly from your smartphone to your TV
- Photo Sharing Plus allows you and nine of your friends and family to share your personal photo memories and short video clips on your TV and even creates a dedicated Wi-Fi network for guests
- Dimensions are 36.5W x 21.6H x 2.6D inches without the stand and 36.5W x 23.3H x 8.4D inches with the stand
- 2 – HDMI (HDCP 1.4) In
- 2 – USB in
- Very easy setup
- Netflix button is a nice feature
- Vivid clear picture with beautiful colors
- Slim design
- Several complaints of poor integrated sound quality
- Wish there were more HDMI connections
- Annoying glare in well-lit areas
- Some complaints of poor build quality
Another capable 40 inch flat screen TV from Sony, the Sony KDL40R510C 40-Inch 1080p Smart LED TV features incredible picture quality with Edge LED backlighting and amazing entertainment capability in an elegantly slim design. Sony’s innovative LED technology features powerful yet thin LEDs that deliver a radically brighter picture than conventional LCD TVs. It delivers crisper images and greater on-screen depth using its Clear Resolution Enhancer picture engine. Its Edge LED Backlight technology provides amazing contrast, rich colors, and enhanced dark-scene detail. Its integrated Wi-Fi supports streaming all your favorite media from Netflix to YouTube, and more.
- 40-inch Full HD 1080p, 60Hz (Motionflow XR 120 effective) refresh rate, Edge LED backlit flat panel smart TV
- Powerful, thin LEDs provide a much brighter picture than conventional LCD TV technology and Sony’s Edge LED Backlight technology delivers outstanding contrast, rich colors, and enhanced dark-scene detail
- Clear Resolution Enhancer picture engine reduces picture noise for crisper images and greater on-screen depth
- Integrated Wi-Fi lets you stream HD videos from popular services like Netflix, YouTube, and more
- Motionflow XR 120 technology displays fast action scenes with more life-like movement and less blur
- Convenience features include a child lock, sleep timer, and parental control
- Dimensions are 36.5W x 21.5H x 2.6D inches without the stand and 36.5W x 22.9H x 6.6D inches without the stand
- Important Note: This 40 inch flat screen TV does not support Pandora or any other music apps
- 2 – HDMI in
- 2 – USB in
- Great performance and picture quality
- Good value
- Smooth motion during action scenes
- Amazing colors
- Sound quality is lacking
- TV stand is not very sturdy
- Remote is slow to react
- Only two HDMI ports
One of two 4K Ultra HD Smart LED TVs in our list, the VIZIO D40u-D1 40-inch 4k Ultra HD Smart LED TV features over 8.3 million pixels in every image, four times the resolution of Full HD 1080p, full-array LED backlighting, and eight Active LED Zones that produce breathtaking detail and clarity, superior light uniformity, and extremely high contrast with deep, pure black levels. Part of VIZIO’s new D-series televisions, this 40-inch flat screen TV also features Active Pixel Tuning enabling pixel-level brightness adjustments for increase picture accuracy and contrast and a powerful Spatial Scaling Engine that beautifully transforms standard 720p and full 1080p HD sports, movies, and TV up to near Ultra HD resolution. Its V6 Six-Core Processor (Quad-core GPU and Dual-core CPU) deliver blazing fast performance and a faster, smoother Smart TV experience. Its ultra-fast 802.11ac dual-band Wi-Fi is up to 3X faster than 802.11n and allows you to stream from popular apps like Netflix, Xumo, and Ultraflix.
- 40-inch 4K Ultra HD, 60Hz (Clear Action 240 effective) refresh rate, Full-Array LED backlit with 8 Active LED Zones, flat panel smart TV
- With 8.3 million pixels in every image, four times the resolution of Full HD 1080p, full-array LED backlighting, and eight Active LED Zones, you get breathtaking detail and clarity, superior light uniformity, and extremely high contrast with deep, pure black levels
- Active Pixel Tuning enables pixel-level brightness adjustments for increased picture accuracy and contrast
- Clear Action 240 produces a fast 120Hz effective refresh rate that enhanced with backlight scanning for sharper detail and less motion blur during fast action scenes
- V6 Six-Core Processor (Quad-core GPU and Dual-core CPU) provide blazing fast performance and a faster, smoother Smart TV experience.
- HEVC decoding combines with ultra-fast 802.11ac dual-band Wi-Fi (up to 3x faster than 802.11n) to deliver Ultra HD streaming from popular apps like Netflix, Xumo and UltraFlix
- A powerful Spatial Scaling Engine beautifully transforms your favorite 720p and 1080p HD sports, movies, and TV shows into near Ultra HD
- Support for the latest HDMI standards enables Ultra HD playback from next generation cable and satellite receivers, Blu-ray players and game consoles
- A revamped user interface with convenient seven-position App Launcher and Full-Screen App Home makes it simpler to discover new apps and find what you want
- Apps automatically update to stay current with the latest improvements and upgrades for a more seamless experience
- A newly expanded Premium App Collection adds to an already unrivaled selection.
- Dimensions are 35.97W x 23.46H x 8.27D with stand and 35.97W x 21.27H x 2.68D with stand
- Crystal clear picture and bright, vibrant colors
- Simple menu setup
- Helpful technical support
- Great value
- Minor light bleed on the edges
- Speakers are facing down and several mentioned poor sound quality
- Some complaints of minor graininess in the picture
- Default color settings are not accurate
At the top of our list, and our personal favorite, the Samsung UN40KU6300 40-Inch 4K Ultra HD Smart LED TV features High Dynamic Range (HDR) support, Micro Dimming Pro for a more vibrant viewing experience, and Wide Color Enhancer that delivers a fuller spectrum of true-to-life color. You’ll be on the cutting edge with Samsung’s HDR Premium Technology that displays HDR (High Dynamic Range) content from new generation Ultra HD Blu-ray, HDR streaming content, and HDR content available on Vidity compliant storage devices. Its advanced UHD Micro Dimming Pro uses new technology to create a more vibrant viewing experience with more true-to-life color, higher contrast, and sharper images and its fast Quad-Core Processor improves interface performance and provides a better Smart TV faster access to your favorite content.
- 40-inch 4K Ultra HD, 60Hz (Clear Action 240 effective) refresh rate, flat panel smart TV
- Fast Quad-Core Processor provides a better Smart TV experience by allowing you to access your favorite content quicker while improving interface performance
- The only TV in our list that meets CTA HDR-compatible requirements, Samsung’s HDR Premium Technology displays HDR (High Dynamic Range) content from new generation Ultra HD Blu-ray, HDR streaming content, and HDR content available on Vidity compliant storage devices
- Samsung’s advanced UHD Micro Dimming Pro uses new technology to create a more vibrant viewing experience with more true-to-life color, higher contrast, and sharper images
- Built-in Wi-Fi connectivity
- PurColor delivers life-like detail through a more accurate expression of color
- Access games right from the Cloud and enjoy the most realistic gaming experience on a large screen without the use of a console.
- Cutting edge touchpad Smart Remote provides the simplest and smartest way to control your Smart TV and other devices
- Smart View App allows you to watch your TV entertainment on your mobile device or your mobile media on your TV
- Dimensions are 36.1W x 21.1H x 2.5 inches without stand and 36.1W x 23.5H x 11.3D inches with stand
- 3 – HDMI in
- 2 – USB in
- Easy and intuitive setup
- Amazing, beautiful picture quality
- Great Samsung customer service
- Works well with Xbox One S
- Sound volume may be disappointing
- Menu/interface is not very impressive
- Several Eco features enabled by default
- Only one HDMI port supports 4K input
40 Inch Flat Screen TV: Comparison
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What do you think of these quality 40-inch TVs? Which 40-Inch LED TV are you planning to buy? Please take a moment to leave a comment below.
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A 40 inch flat screen TV is really the perfect size working as well in a bedroom as an office or dorm room. We sincerely hope that the information we have provided helps you choose the 40 inch flat screen TV that best meets your needs!