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10 Best 40 Inch Smart Tvs 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

VIZIO 40-inch Full HD 1080p Smart TV with DTS Virtual: X, Alexa Compatibility, Google Cast Built-in, Bluetooth Headphone Capable, (VFD40M-08 New)

The VIZIO 40-inch Full HD Smart TV stands out in the compact smart TV category with its combination of features tailored for streaming and gaming. The Full HD resolution offers a noticeable clarity improvement over standard HD, providing vibrant colors and deep contrasts thanks to its Full Array LED Backlight and Active Pixel Tuning. Users can easily access a wide range of built-in apps from popular streaming services, allowing for convenient viewing of over 15,000 movies and shows, alongside 275 free channels through the WatchFree app.

One of the significant strengths is its gamer's edge with HDR10 support and Auto Low Latency Mode, ensuring smooth performance when paired with gaming consoles. Its Bluetooth capability enhances the listening experience, allowing users to connect headphones for a more personalized audio setup. The Smart TV is also designed for integration with smart home systems, compatible with Apple AirPlay 2 and voice assistants like Amazon Alexa and Google Assistant, which can streamline your viewing experience.

Despite its strengths, there are some limitations to consider. The refresh rate of 60 Hz might not satisfy users looking for ultra-smooth action in fast-paced media, especially in gaming. Additionally, while the audio quality is enhanced with DTS Virtual:X, some users might find the need for an external sound system to achieve a more immersive sound experience. The design, although modern with its ThinFrame, may not appeal to everyone, and as a 40-inch model, it’s more suited for smaller living rooms or bedrooms.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Resolution
The picture is sharp and vivid, a noticeable improvement from older models.
Smart TV Platform
Built-in streaming services eliminate the need for extra boxes, simplifying the user experience.
Audio Quality
The TV's sound quality is perfectly acceptable, though some might prefer an external sound system.
#2

Amazon Fire TV 40" 2-Series (newest model), HD smart TV with Fire TV Alexa Voice Remote, stream live TV without cable

The Amazon Fire TV 40" 2-Series is a solid choice for anyone seeking a compact smart TV with easy access to a large variety of streaming services. With a Full HD resolution and support for HDR, it delivers vibrant picture quality that enhances your viewing experience. The inclusion of the Fire TV platform allows you to stream from popular services like Netflix, Prime Video, and Disney+, making it versatile for entertainment needs.

One of the standout features is the Alexa Voice Remote, making it incredibly user-friendly; you can easily navigate and control smart home devices with voice commands. The TV also supports multiple connectivity options, with two HDMI ports for devices like gaming consoles and an Ethernet port for reliable internet access.

The refresh rate of 60 Hz might not be ideal for fast-paced gaming or sports, as it may lead to motion blur. Additionally, while the sound quality is decent with Dolby Digital support, the built-in 16W speakers may not provide the immersive audio experience that some users look for. For enhanced audio, you'll want to connect a soundbar or external speakers. In terms of design, the TV is lightweight and can be easily wall-mounted or set up using the included stand. Its sleek black plastic finish might not appeal to everyone. This TV is suited for casual viewers who enjoy streaming content and want a user-friendly interface. If your focus is on high-end gaming or superior audio quality, you might want to consider options in a higher price range.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Resolution
"The picture is really clear and it was super easy to set everything up. My son loves it!"
Smart TV Platform
"The Fire TV experience is seamless, with built-in Alexa voice controls, easy navigation, and quick access to all my favorite streaming apps like Netflix, Prime Video, Disney+, and more."
Connectivity
"The setup was a breeze—just a few simple steps to connect to Wi-Fi, and I was ready to start watching."
Audio Quality
"This TV is worth it! The sound was amazing and so are the visuals, especially at this price. It's such a steal."
Design and Build Quality
"It’s perfect for a bedroom, kitchen, or as a secondary TV in your home. Highly recommend it for anyone looking for a reliable, affordable smart TV with great features."
#3

TCL 43-Inch Class S5 UHD 4K LED Smart TV with Fire TV (43S551F, 2024 Model), Dolby Vision, HDR PRO+, Dolby Atmos, Alexa Built-in with Voice Remote, Apple AirPlay 2 Compatibility, Streaming Television

The TCL 43-Inch Class S5 UHD 4K LED Smart TV with Fire TV (43S551F, 2024 Model) offers a lot of impressive features for its category. The 4K UltraHD resolution provides stunning detail, which is four times the resolution of 1080p Full HDTVs. It also boasts HDR PRO+ with Dolby Vision, HDR10+, HDR10, and HLG, ensuring enhanced contrast and vibrant colors, making your viewing experience more realistic and immersive. The Fire TV platform is a great addition, giving you access to a vast array of streaming services and live TV, all in one place.

Alexa built-in with voice remote makes navigation and control easy, adding to the convenience. The TV also supports Apple AirPlay 2, which is a nice touch for iOS users. For gamers, the Auto Game Mode (ALLM) minimizes input lag for smoother gameplay. On the audio side, it features Dolby Atmos and DTS Virtual:X for a more immersive sound experience, and an Enhanced Dialogue Mode for clearer audio in movies and shows. The design is sleek with a bezel-less look, making it a stylish addition to any room.

However, there are a few drawbacks. The refresh rate is only 60 Hz, which might not be ideal for those who prioritize super-smooth motion, especially in fast-paced action scenes or sports. Additionally, while the built-in speakers are decent, they might not satisfy audiophiles or those looking for a more powerful sound system. Lastly, although the viewing angles are generally good, there may be some color distortion when viewed from extreme angles. This TV is a strong contender in the 40-inch smart TV category, especially for those who enjoy streaming, gaming, and smart home integration, but may fall short for those seeking top-tier refresh rates and audio performance.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Resolution
I am very happy with the picture quality and how light and thin it is.
Smart TV Platform
The apps all work well, and the picture and sound are great.
Sound Quality
The audio was a little disappointing but can be improved with a sound bar.
Design and Build Quality
I am very happy with the picture quality and how light and thin it is.

Buying Guide for the Best 40 Inch Smart Tvs

Choosing the right 40-inch smart TV can significantly enhance your viewing experience. When selecting a TV, it's important to consider various specifications that will impact picture quality, sound, connectivity, and overall performance. Understanding these key specs will help you make an informed decision that best suits your needs and preferences.
ResolutionResolution refers to the number of pixels that make up the picture on the screen. Higher resolution means more pixels and a clearer, sharper image. Common resolutions include Full HD (1080p) and 4K (2160p). If you watch a lot of high-definition content or use streaming services that offer 4K content, a 4K TV would be a better choice. For regular TV watching and standard content, Full HD may suffice.
Smart TV PlatformThe smart TV platform is the operating system that runs the TV's smart features, such as apps and streaming services. Popular platforms include Android TV, Roku TV, and proprietary systems like Samsung's Tizen or LG's webOS. Choose a platform that offers the apps and services you use most frequently and has an interface you find easy to navigate.
Refresh RateRefresh rate is the number of times the TV updates the image on the screen per second, measured in Hertz (Hz). Common refresh rates are 60Hz and 120Hz. A higher refresh rate can result in smoother motion, which is particularly beneficial for watching sports or playing video games. If you primarily watch movies and TV shows, 60Hz is usually sufficient. For gaming or fast-paced content, consider a 120Hz TV.
HDR (High Dynamic Range)HDR enhances the contrast and color range of the TV, providing a more realistic and vibrant picture. There are different HDR formats, such as HDR10, Dolby Vision, and HLG. If you enjoy watching movies and shows with rich visuals, a TV with HDR support can significantly improve your viewing experience. Check if the content you watch supports HDR to make the most of this feature.
ConnectivityConnectivity options include HDMI ports, USB ports, and wireless capabilities like Wi-Fi and Bluetooth. More HDMI ports allow you to connect multiple devices, such as gaming consoles, Blu-ray players, and soundbars. USB ports are useful for playing media from external drives. Ensure the TV has enough ports to accommodate your devices and consider wireless options for a cleaner setup.
Sound QualitySound quality is crucial for an immersive viewing experience. While most TVs come with built-in speakers, they may not always provide the best audio quality. Look for TVs with advanced sound technologies like Dolby Audio or DTS. If sound quality is a priority, you might also consider investing in a soundbar or external speakers to enhance the audio experience.
Viewing AngleViewing angle refers to how well the picture quality is maintained when viewed from different angles. A wider viewing angle ensures that the picture remains clear and vibrant even when watching from the side. This is important if you have a wide seating arrangement or often watch TV with a group of people. Look for TVs with IPS panels or technologies that improve viewing angles.
Design and Build QualityThe design and build quality of the TV can affect both aesthetics and durability. Consider the TV's bezel size, stand design, and overall build. A sleek, well-built TV can complement your room's decor and provide a more premium feel. Additionally, a sturdy build ensures the TV will last longer and withstand regular use.

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