There is a difference in screen size (52 Inch (132cm) vs 50 Inch (126 cm)), and a larger screen generally provides a more immersive viewing experience. Philips 52PFL8605-98 and Sansui S50P28UA are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Philips 52PFL8605-98 and Sansui S50P28UA differ in resolution (1920 x 1080 vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. 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 offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features.

Verdict: Choosing between Philips 52PFL8605-98 and Sansui S50P28UA depends on your usage, whether you prioritize display quality, smoother motion, or smart features.