Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Mi TV5A40 and TCL 43S5400 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both TVs come with smart platforms that support popular streaming apps and voice control features. Mi TV5A40 features a 40 Inch (102 cm) screen while TCL 43S5400 comes with 43 Inch (109.22 cm), which can make a noticeable difference depending on your room size and viewing distance. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience.

Verdict: Choosing between Mi TV5A40 and TCL 43S5400 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.