Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs come with smart platforms that support popular streaming apps and voice control features. OnePlus 43 Y1S Pro features a 43 Inch (109.22 cm) screen while Leonis LEL 40NHD comes with 40 Inch (102 cm), which can make a noticeable difference depending on your room size and viewing distance. OnePlus 43 Y1S Pro and Leonis LEL 40NHD are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. OnePlus 43 Y1S Pro and Leonis LEL 40NHD differ in resolution (4K 3840 x 2160 vs 1366 x 768), which can affect overall clarity and sharpness of the display. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

Verdict: Choosing between OnePlus 43 Y1S Pro and Leonis LEL 40NHD depends on your usage, whether you prioritize display quality, smoother motion, or smart features.