Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. TCL 43S5400 and Haier H40K85EFX are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. TCL 43S5400 features a 43 Inch (109.22 cm) screen while Haier H40K85EFX comes with 40 Inch (102 cm), which can make a noticeable difference depending on your room size and viewing distance. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs come with smart platforms that support popular streaming apps and voice control features.

Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.