The TCL P639K is a 4K Smart TV that offers an immersive entertainment experience with cutting-edge technology, smart features, and a sleek design. This review will delve into various aspects of the TV, including its technology, smart capabilities, design, picture quality, sound quality, and remote control.


The TCL P639K features advanced display technology with a 4K Ultra HD resolution (3840 x 2160 pixels). This results in stunning clarity and vivid colors, bringing images and videos to life with exceptional detail. Additionally, it supports High Dynamic Range (HDR) content, enhancing contrast and brightness levels for a more realistic and dynamic viewing experience.

Smart Features

The P639K boasts a range of smart features that elevate the TV’s functionality. Powered by an intuitive operating system, it provides seamless access to popular streaming services like Netflix, Amazon Prime Video, and YouTube, allowing users to enjoy a vast library of content at their fingertips. Furthermore, the TV is equipped with voice control capabilities, allowing users to navigate the interface and search for content effortlessly using voice commands.


The TCL P639K features an elegant, minimalist design that complements any modern living space. Its slim bezels and sleek profile make it visually appealing, and the TV can be easily wall-mounted or placed on a stand. The sturdy build and quality materials used in construction ensure the TV’s durability and longevity.

Picture Quality

Regarding picture quality, the TCL P639K impresses with its 4K resolution and HDR support. The combination of these features delivers stunning visuals with vibrant colors, deep blacks, and sharp details. The TV’s advanced image processing technology enhances picture quality by reducing motion blur and noise, resulting in smooth and clear visuals even during fast-paced action scenes.

TCL 75P639K 75-inch 4K Smart TV

Sound Quality

The TCL P639K combines powerful immersive sound technology to complement its impressive visuals. With multiple built-in speakers and Dolby Audio support, the TV offers rich and clear audio. Additionally, it includes various sound modes and equalizer settings that allow users to customize the sound according to their preferences and content type.

Remote Control

The included remote control provides a user-friendly experience with its intuitive layout and well-placed buttons. The remote also has dedicated hotkeys for quick access to popular apps and services, streamlining the navigation process. Furthermore, the TCL P639K is compatible with smartphone apps that enable users to control the TV via their mobile devices, adding an extra layer of convenience.

Connectivity Options

The TCL P639K offers a wide range of connectivity options to ensure seamless integration with various devices. It comes equipped with multiple HDMI ports, enabling users to connect gaming consoles, Blu-ray players, and other external devices simultaneously. Additionally, the TV features USB ports, allowing easy access to multimedia files from USB storage devices. The built-in Wi-Fi and Ethernet ports provide quick and stable internet connectivity for streaming content and accessing online services.


The TCL P639K 4K Smart TV supports various multimedia formats, making it highly compatible with different media sources. It can handle a wide range of video, audio, and image formats, ensuring users enjoy their favorite content without requiring extensive file conversions. Moreover, the TV is compatible with popular streaming services, such as Netflix, YouTube, and Amazon Prime Video, offering a vast library of entertainment options.

App Store

The TV comes with its app store that offers a selection of applications for users to download and install. While it may not have an extensive range of apps on other platforms, it covers essential streaming services and utility apps. The app store is regularly updated to include new additions, ensuring users can access the latest offerings.

Gaming Experience

For gamers, the TCL P639K offers a commendable gaming experience. With its 4K resolution and HDR support, games are rendered with stunning detail and vibrant colors. The TV also features low input lag, crucial for responsive gameplay, especially in fast-paced and competitive gaming scenarios. This low input lag ensures minimal delay between controller input and on-screen response, resulting in a smoother and more enjoyable gaming experience.

Viewing Angle

The TCL P639K’s viewing angle is vital, especially for large gatherings or when the TV is placed in a wide living room. While it provides excellent picture quality when viewed head-on, the performance may degrade from extreme angles. This is a common limitation in LED TVs, and users are advised to position the TV to maximize the viewing experience for the primary seating area.

Voice Control

The TCL P639K boasts an advanced voice control feature that makes navigating the TV and accessing content even more convenient. The built-in microphone on the remote allows users to interact with the TV using voice commands. Whether changing channels, searching for specific content, or adjusting settings, the voice control feature simplifies the process, saving time and effort.

Input Ports

The TV offers a generous selection of input ports for various devices. The multiple HDMI ports are handy for connecting gaming consoles, set-top boxes, soundbars, and more. USB ports allow users to plug in external hard drives or flash drives to access media files directly on the TV. Additionally, there are legacy ports like composite and component inputs catering to older devices that might still be in use.

Wall Mount Compatibility

The TCL P639K 4K Smart TV is designed with wall mount compatibility, offering users the flexibility to mount it on the wall to save space and achieve a clean, modern look. The TV features standard VESA mounting points on the back, allowing it to attach to a wide range of wall mounts easily. However, users should choose a wall mount supporting the TV’s weight and screen size. Wall mounting enhances the room’s aesthetics and provides an optimal viewing angle for the best picture quality.


Out of the box, the TCL P639K delivers good picture quality, but calibration is recommended for users seeking the best viewing experience. Calibration involves adjusting brightness, contrast, color temperature, and gamma to achieve accurate and natural colors. While many users might not have the necessary tools or expertise for calibration, hiring a professional calibrator or using calibration discs can significantly improve the TV’s picture quality, making it closer to reference standards.

Software Updates

TCL regularly releases software updates to enhance the performance and functionality of their Smart TVs. These updates introduce new features and address any bugs or issues identified by users and the company. The P639K supports over-the-air updates, meaning users can easily download and install the latest software without any hassle. Regularly updating the TV’s software ensures it remains up-to-date with the latest improvements and security enhancements.

In The Box

The TCL P639K comes well-packaged with all the necessary components in the box. Typically, the package includes the TV unit itself, a stand (if not wall-mounted), a remote control with batteries, a power cable, and user manuals. Some models might also include other accessories like screws for wall mounting. Users can find all the essential information in the user manuals, including setup instructions and warranty details.


TCL offers a warranty on their P639K 4K Smart TV, which assures customers in case of any manufacturing defects or malfunctions. The warranty period may vary by region and local regulations, but it typically covers one to two years from the date of purchase. During the warranty period, TCL will repair or replace the TV free of charge if it experiences any issues covered by the warranty. Customers are advised to register their TV and keep the purchase receipt to avail of the warranty benefits.

VS Other Brands

When comparing the TCL P639K 4K Smart TV with other brands in the market, it offers a compelling package of features and performance at a competitive price point. While some high-end TV brands may provide more advanced picture technologies like OLED or QLED, the P639K holds its own with its 4K resolution and HDR support. Regarding smart features, the TCL TV is on par with many leading brands, offering access to popular streaming services and voice control. The gaming experience on the P639K is also commendable, thanks to its low input lag. However, users might find that some other brands have a more extensive app store with a broader selection of applications.

Value for Money

The TCL P639K 4K Smart TV provides excellent value for money. Its competitive pricing, impressive picture quality, smart features, and gaming performance make it an attractive option for budget-conscious consumers. While it might not have all the bells and whistles of premium models, it delivers a solid entertainment experience that meets the needs of the majority of users. Moreover, the added convenience of wall mount compatibility, regular software updates, and a reliable warranty further enhance the value proposition of this TV.

Size Options

The TCL P639K 4K Smart TV is available in various size options, catering to different room sizes and preferences. The most common size options range from 43 to 65 inches, providing consumers with a wide selection. The smaller sizes are suitable for bedrooms or smaller living spaces, while the larger sizes are ideal for larger living rooms or home theaters. The availability of multiple size options allows users to find the perfect fit for their entertainment needs.

4K Resolution

One of the standout features of the TCL P639K is its 4K resolution, which offers four times the pixel count of Full HD (1080p) displays. With a resolution of 3840 x 2160 pixels, this TV delivers incredibly sharp and detailed images. 4K resolution ensures that even the finest details in movies, TV shows, and games are displayed with stunning clarity, resulting in a more immersive viewing experience.

8K Resolution

The TCL P639K is not equipped with 8K resolution technology. As of this review, 8K TVs are still relatively new in the market and are considered high-end models due to their significantly higher resolution of 7680 x 4320 pixels. While 8K resolution offers an even more detailed and lifelike picture, 8K content is still limited, and most media is available in 4K or lower resolutions. Therefore, for most users, the 4K resolution of the TCL P639K is more than sufficient for a top-notch viewing experience.

HDR Technology

High Dynamic Range (HDR) technology is a crucial feature of the TCL P639K, enhancing the contrast and brightness levels of the TV’s display. HDR technology allows the TV to reproduce a broader range of colors and highlights, resulting in more lifelike images with better details in dark and bright scenes. The TCL P639K supports various HDR formats, such as HDR10 and HLG, ensuring compatibility with a wide range of HDR content from streaming services, Blu-ray discs, and gaming consoles.

OLED Technology

The TCL P639K does not utilize OLED (Organic Light Emitting Diode) technology. OLED displays are known for their pixel illumination, allowing them to achieve perfect blacks and infinite contrast ratios. This results in exceptional picture quality with rich colors and deep blacks, making OLED TVs popular among users who prioritize picture quality above all else. However, OLED technology tends to be more expensive than other display technologies, and the TCL P639K offers an attractive option for users seeking a high-quality TV without the premium OLED price tag.

MicroLED Technology

As of this review, MicroLED technology has yet to be widely adopted in consumer TVs, including the TCL P639K. MicroLED displays use millions of tiny, self-emissive LED modules to create the picture, offering similar benefits to OLED technology, such as perfect blacks and impressive contrast ratios. MicroLED technology is also more durable and resistant to burn-in than OLED. However, MicroLED TVs are still relatively rare and are typically available in larger sizes and at higher price points.

QLED Technology

The TCL P639K does not incorporate QLED (Quantum Dot Light Emitting Diode) technology. QLED displays utilize quantum dots to enhance color reproduction and brightness levels. Quantum dots are microscopic particles that can precisely control the colors emitted by the TV, resulting in a wider color gamut and improved color accuracy. While QLED TVs offer impressive picture quality, they are more affordable than OLED TVs, making them a popular choice for users looking to balance picture quality and price.

Ambient Mode

The TCL P639K 4K Smart TV features Ambient Mode, a clever functionality that allows it to blend seamlessly with its surroundings when not in use. Ambient Mode transforms the TV into a digital picture frame, displaying artwork, photos, or information that matches the room’s decor. Users can customize the display with their preferred images or choose from pre-installed themes. This feature not only enhances the room’s aesthetics but also prevents the TV from becoming a black rectangle when turned off, adding a touch of elegance to any living space.

One Connect Box

The TCL P639K has a One Connect Box, a convenient external connection hub that centralizes all the TV’s ports. This box is a neat solution to reduce cable clutter, allowing users to connect various devices to the TV through a single cable. The One Connect Box can be placed behind a cabinet or hidden away, making it easy to access and manage the TV’s connections. With the One Connect Box, users can enjoy a clean and organized setup, which enhances the overall aesthetics of the entertainment area.


The TCL P639K 4K Smart TV comes with a standard set of accessories to ensure a smooth user experience. Users typically find a remote control with batteries, a power cable, a stand (if not wall-mounted), and user manuals in the box. The included remote control is user-friendly, with an intuitive layout and dedicated hotkeys for quick access to popular apps and services. While the included accessories cover the essentials, users can also explore additional accessories, such as wall mounts, soundbars, or gaming controllers, to enhance their viewing experience.


As with most Smart TVs, the future of the TCL P639K lies in software updates and support for emerging technologies. TCL is known for providing regular software updates to improve performance, introduce new features, and fix any issues users report. These updates can enhance the TV’s functionality and ensure it stays up-to-date with the latest developments in the industry. Additionally, TCL may continue to expand its smart features and app store to offer users an even broader range of content and services.

  • Ambient Mode adds an elegant touch to the TV and complements the room decor.
  • The One Connect Box simplifies cable management and reduces clutter.
  • The standard set of accessories provides everything needed to get started.
  • Regular software updates ensure the TV stays up-to-date with the latest improvements.
  • The TCL P639K offers impressive features at a competitive price point.
  • While Ambient Mode is a great addition, it may appeal to only some users.
  • The One Connect Box may require additional space behind the TV or inside a cabinet.
  • The accessories are standard and may not include additional features like premium remotes.


Final Verdict and Recommendation

The TCL P639K 4K Smart TV impresses with its innovative features like Ambient Mode and the convenience of the One Connect Box. These functionalities add value to the TV experience and cater to users seeking a blend of style and practicality. The TV’s picture quality, 4K resolution, and HDR support deliver a stunning viewing experience, making it suitable for everyday TV watching and gaming sessions.

While it may not have cutting-edge display technologies like OLED or QLED, the TCL P639K offers an excellent balance between performance and price, providing consumers with a feature-rich Smart TV without the premium price tag. The regular software updates ensure that the TV remains up-to-date, offering users the latest features and improvements over time.

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