There is a difference in screen size (19 Inch (48.26 cm) vs 20 Inch (50.80 cm)), and a larger screen generally provides a more immersive viewing experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. Philips 19PFL4738 and Sansui SKJ20HH07F 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 TVs offer adequate brightness levels suitable for most indoor lighting conditions. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Philips 19PFL4738 and Sansui SKJ20HH07F differ in resolution (1366 x 768 vs 1600 x 900), which can affect overall clarity and sharpness of the display. Philips 19PFL4738 and Sansui SKJ20HH07F offer different motion rates (120 Hz vs NA), which can impact smoothness during fast-moving scenes like sports and gaming.

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