There is a difference in screen size (40 Inch (102 cm) vs 42 Inch (107 cm)), and a larger screen generally provides a more immersive viewing experience. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Philips 40PFL6605-98 and Philips 42PFL5059-V7 are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs come with smart platforms that support popular streaming apps and voice control features. Philips 40PFL6605-98 and Philips 42PFL5059-V7 offer different motion rates (60 Hz vs 240 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience.

Verdict: Choosing between Philips 40PFL6605-98 and Philips 42PFL5059-V7 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.