Both TVs come with smart platforms that support popular streaming apps and voice control features. TCL 40S5400 features a 40 Inch (102 cm) screen while Mi Xiaomi TV A 43 FHD 2026 comes with 43 Inch (109.22 cm), which can make a noticeable difference depending on your room size and viewing distance. 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. 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. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. TCL 40S5400 and Mi Xiaomi TV A 43 FHD 2026 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities.

Verdict: Choosing between TCL 40S5400 and Mi Xiaomi TV A 43 FHD 2026 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.