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. There is a difference in screen size (49 Inch (124.46 cm) vs 46 Inch (117 cm)), and a larger screen generally provides a more immersive viewing experience. Philips 49PUT7791-V7 and Philips 46PFL5556-V7 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Philips 49PUT7791-V7 and Philips 46PFL5556-V7 differ in resolution (4K 3840 x 2160 vs 1920 x 1080), which can affect overall clarity and sharpness of the display.

Verdict: Choosing between Philips 49PUT7791-V7 and Philips 46PFL5556-V7 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.