Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. TCL 58S455-CA and SkyWall 55SW4K-VS differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. TCL 58S455-CA features a 58 Inch (147 cm) screen while SkyWall 55SW4K-VS comes with 55 Inch (139 cm), which can make a noticeable difference depending on your room size and viewing distance. TCL 58S455-CA and SkyWall 55SW4K-VS are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities.

Verdict: Choosing between TCL 58S455-CA and SkyWall 55SW4K-VS depends on your usage, whether you prioritize display quality, smoother motion, or smart features.