Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. There is a difference in screen size (58 Inch (147 cm) vs 55 Inch (139 cm)), and a larger screen generally provides a more immersive viewing experience. Westinghouse WR58UX4019 and TCL 55S455-CA differ in resolution (4K 3840 x 2160 vs UHD), which can affect overall clarity and sharpness of the display. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. If you're comparing Westinghouse WR58UX4019 and TCL 55S455-CA, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content.

Verdict: Choosing between Westinghouse WR58UX4019 and TCL 55S455-CA depends on your usage, whether you prioritize display quality, smoother motion, or smart features.