TCL 43S455-CA and OnePlus 40 Y1 differ in resolution (UHD vs 1920 x 1080), which can affect overall clarity and sharpness of the display. 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 provide decent motion handling, making them suitable for everyday viewing including sports and action content. If you're comparing TCL 43S455-CA and OnePlus 40 Y1, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs come with smart platforms that support popular streaming apps and voice control features. Audio output differs between the two (10 W + 10 W vs 20 W), which can influence overall sound clarity and loudness. There is a difference in screen size (43 Inch (109.22 cm) vs 40 Inch (102 cm)), and a larger screen generally provides a more immersive viewing experience.

Verdict: Choosing between TCL 43S455-CA and OnePlus 40 Y1 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.