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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-inch Class F20 Series LED Full HD Smart Fire TV with Alexa Voice Remote (NS40-FEFL26)

Rating
9.8
Chosen by1,194
Resolution
Smart TV Platform
Sound Quality

Most important from
79 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 by1,194
Resolution
Smart TV Platform
Sound Quality

Most important from
79 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

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

Rating
9.6
Resolution
Smart TV Platform
Connectivity

Most important from
11730 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
9.6
Resolution
Smart TV Platform
Connectivity

Most important from
11730 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."
#3

Samsung 40-Inch Class Full HD F6000 Smart TV (2025 Model) HDR, Object Tracking Sound Lite, Knox Security, One UI Tizen, Smart TV

Rating
9.4
Smart TV Platform
Connectivity
Sound Quality

Most important from
165 reviews

Smart TV Platform
The smart TV interface is somewhat unintuitive and sluggish, lacking flexibility in app arrangement and requiring some adjustment.
Connectivity
Bluetooth connectivity allows for convenient use with wireless headphones, enhancing the viewing experience without disturbing others.
Sound Quality
The TV delivers excellent picture and sound quality that stands out for its clarity and immersive audio.
Design and Build Quality
Its compact size and lightweight design make it perfect for versatile use, such as placing on a back porch or moving between rooms.

The Samsung 40-Inch Full HD F6000 Smart TV is a solid choice if you want a reliable mid-range smart TV with good picture quality and smart features. Its 1080p resolution offers clear and sharp images, which is ideal for a 40-inch screen size—perfect for bedrooms or smaller living rooms. Thanks to HDR and Mega Contrast, you’ll notice better brightness and deeper blacks, adding more life to movies and shows. The TV runs on Samsung’s Tizen OS with One UI, an easy-to-use platform that gives quick access to popular apps and an impressive range of free channels, so you can find plenty to watch without extra subscriptions.

Connectivity-wise, it has Bluetooth, Wi-Fi, USB, HDMI, and Ethernet ports, allowing you to connect various devices smoothly. The 60 Hz refresh rate is standard for this size and category, suitable for everyday TV watching, though it might not be the best for fast-paced gaming or sports where higher refresh rates shine. Sound quality is enhanced with Samsung’s Object Tracking Sound Lite and Q Symphony compatibility, which means it delivers directional sound for a more immersive experience and works well with certain soundbars (sold separately). The slim, bezel-less design looks modern and keeps the focus on the screen.

The viewing angles are typical for LED TVs, meaning image quality can drop if you’re watching from far to the side. Also, while the built-in speakers are decent, they might not satisfy those wanting powerful audio without external speakers. Security features like Samsung Knox provide peace of mind by protecting your data and connected devices. This TV suits casual viewers who want a user-friendly smart TV with good picture and sound in a compact size, but serious gamers or cinephiles looking for 4K resolution or higher refresh rates might want to explore other options.

Rating
9.4
Smart TV Platform
Connectivity
Sound Quality

Most important from
165 reviews

Smart TV Platform
The smart TV interface is somewhat unintuitive and sluggish, lacking flexibility in app arrangement and requiring some adjustment.
Connectivity
Bluetooth connectivity allows for convenient use with wireless headphones, enhancing the viewing experience without disturbing others.
Sound Quality
The TV delivers excellent picture and sound quality that stands out for its clarity and immersive audio.
Design and Build Quality
Its compact size and lightweight design make it perfect for versatile use, such as placing on a back porch or moving between rooms.

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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