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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

INSIGNIA 40" Class FE Series LED Full HD Smart Fire TV with Alexa Voice Remote (NS40-FEFL26)

Rating
9.8
Chosen by1,104
Resolution
Smart TV Platform
Sound Quality

Most important from
166 reviews

Resolution
The picture quality is surprisingly clear and sharp, making it a standout among other HD TVs.
Smart TV Platform
The built-in Fire TV platform with Alexa voice remote significantly improves navigation and smart home integration.
Sound Quality
While the TV performs well initially, some units have experienced persistent issues with distorted colors and sound malfunctions.

The INSIGNIA 40" Class F20 Series is a solid choice if you're looking for a full HD smart TV that balances picture quality and smart features at an affordable price. It offers a 1080p resolution, which means you get clear and sharp images, though not the ultra-high detail of 4K models. The LED-backlit screen provides good color and contrast for everyday viewing, but it lacks HDR support, so the picture might not have the extra brightness and color depth seen in higher-end TVs. The 60 Hz refresh rate is standard, suitable for watching movies and TV shows, though it may not be ideal for fast-paced gaming or sports where smoother motion is preferred.

The built-in Fire TV platform is a strong point here, giving easy access to popular streaming services like Netflix, Prime Video, and Disney+, plus Alexa voice control for convenient navigation and smart home integration. Connectivity includes Bluetooth and Wi-Fi, allowing for wireless streaming and pairing with other devices. While the sound quality isn't highlighted as a strong feature, you can expect decent audio for casual viewing but might want external speakers for a richer experience. The viewing angle is typical for LED LCD screens, so the picture quality may drop when viewed from the side.

In terms of design, the TV is slim and straightforward, fitting well in most rooms without being bulky. This TV is a good fit for anyone wanting a dependable 40-inch smart TV primarily for streaming and regular TV watching, without needing 4K resolution or advanced gaming features.

Rating
9.8
Chosen by1,104
Resolution
Smart TV Platform
Sound Quality

Most important from
166 reviews

Resolution
The picture quality is surprisingly clear and sharp, making it a standout among other HD TVs.
Smart TV Platform
The built-in Fire TV platform with Alexa voice remote significantly improves navigation and smart home integration.
Sound Quality
While the TV performs well initially, some units have experienced persistent issues with distorted colors and sound malfunctions.
#2

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

Rating
9.6
Resolution
Smart TV Platform
Audio Quality

Most important from
4383 reviews

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.

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.

Rating
9.6
Resolution
Smart TV Platform
Audio Quality

Most important from
4383 reviews

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.
#3

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

Rating
9.3
Resolution
Smart TV Platform
Connectivity

Most important from
11848 reviews

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."

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.

Rating
9.3
Resolution
Smart TV Platform
Connectivity

Most important from
11848 reviews

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."

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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