LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV vs TCL 65-Inch Class S5 UHD 4K LED Smart TV with Fire
Updated July 2026 — LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV wins on gaming and display, TCL 65-Inch Class S5 UHD 4K LED Smart TV with Fire wins on price.
The LG OLED TV offers superior picture quality and advanced features, making it the better choice for enthusiasts, while the TCL provides great value for casual viewers.
Why LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV is better
Display Quality
OLED technology provides superior contrast and color accuracy.
Gaming Features
0.1ms response time and 144Hz refresh rate enhance gaming.
Audio Performance
Dolby Atmos delivers a richer sound experience.
Why TCL 65-Inch Class S5 UHD 4K LED Smart TV with Fire is better
Price
Significantly more affordable at $409.99.
Smart Features
Fire TV offers a wide array of streaming options.
Size
Compact size suitable for smaller spaces.
Overall score
Specifications
| Spec | LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV | TCL 65-Inch Class S5 UHD 4K LED Smart TV with Fire |
|---|---|---|
| Resolution | 4K | 4K |
| HDR Support | Dolby Vision | HDR PRO+ |
| Audio Tech | Dolby Atmos | Dolby Atmos |
| Refresh Rate | 144Hz | 120Hz |
| Response Time | 0.1ms | N/A |
Dimension comparison
Display Technology
When it comes to display technology, the LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV leads with its OLED technology, which offers superior contrast and color accuracy compared to the TCL 65-Inch Class S5 UHD 4K LED Smart TV, which utilizes LED technology. The LG TV boasts over 8.3 million self-lit pixels that create perfect blacks and stunning colors, making it an excellent choice for movie enthusiasts and gamers alike. On the other hand, the TCL TV, while capable of 4K UltraHD resolution and HDR PRO+, does not match the depth of contrast provided by OLED. This difference is crucial for viewers who prioritize picture quality.
Price Comparison
The LG 77-Inch Class OLED TV is priced at $1,699.99, while the TCL 65-Inch Class S5 TV is significantly more budget-friendly at $409.99. This makes the TCL model approximately 76% cheaper than the LG model. However, the price difference reflects the technology and features offered by each TV. While the TCL provides a solid viewing experience with HDR support and decent audio capabilities, the LG’s advanced OLED display and superior processing power justify its higher price tag for those seeking top-tier performance.
Audio Performance
In terms of audio performance, the LG 77-Inch Class OLED TV comes equipped with Dolby Atmos, delivering immersive sound that enhances the viewing experience. The TCL 65-Inch Class S5 TV also features Dolby Atmos along with DTS Virtual:X, which aims to create a 3D sound experience from the TV's speakers. Both TVs support advanced audio technologies, but the LG's audio performance can be considered richer and more immersive due to its design and integration with the overall TV experience. This difference may be particularly noticeable in action films and gaming environments.
Gaming Features
Gamers will find the LG 77-Inch Class OLED TV particularly appealing due to its ultra-fast 0.1ms response time and up to 144Hz refresh rate, which reduce lag and enhance gameplay visibility. In contrast, the TCL 65-Inch Class S5 TV offers a Game Accelerator 120 feature with VRR, providing a smooth gaming experience but without the same level of speed and responsiveness. The presence of four HDMI 2.1 ports on the LG model further enhances its gaming capabilities, allowing multiple devices to be connected simultaneously. For serious gamers, the LG TV is the better choice.
Smart Features and Interface
The LG 77-Inch Class OLED TV utilizes the latest LG webOS 25 platform, which is designed to enhance user experience with AI technology that simplifies content discovery. It includes built-in Alexa for voice control. The TCL 65-Inch Class S5 TV features Fire TV, providing access to a wide array of streaming options in a single interface. While both televisions offer smart capabilities, the LG's platform is more advanced in terms of personalization and ease of use, catering to users who seek a seamless smart TV experience.
Size Considerations
The LG 77-Inch Class OLED TV offers a larger display compared to the TCL 65-Inch Class S5 TV, making it a better fit for larger rooms or for viewers who prefer a more cinematic experience. The difference of 12 inches in screen size can significantly impact viewing distance and immersion. If space and screen size are priorities, the LG model stands out as the more suitable option, especially for movie nights and gaming sessions where a larger screen can enhance the experience.
Design and Aesthetics
Aesthetically, the LG 77-Inch Class OLED TV features a nearly invisible bezel, allowing for a sleek, modern look that blends seamlessly into any décor. Its Art Gallery mode also adds to its versatility as a statement piece. Conversely, the TCL 65-Inch Class S5 TV presents a more traditional design with an edge-to-edge metal bezel. While both TVs have their merits, the LG’s design is likely to appeal more to those who value minimalism and modern aesthetics in their home entertainment setup.
Which should you buy?
Choosing between the LG 77-Inch Class OLED evo AI 4K C5 Series Smart TV and the TCL 65-Inch Class S5 UHD 4K LED Smart TV ultimately depends on your budget and viewing preferences. The LG model is ideal for those willing to invest in a premium viewing experience with its superior OLED technology, advanced gaming features, and rich audio performance. However, if affordability and basic smart features are your primary concerns, the TCL TV offers great value for the price, proving to be a solid choice for casual viewers.

