If you're comparing Infocus II-50EA800 and Sanyo 49S7100F, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. There is a difference in screen size (50 Inch (126 cm) vs 49 Inch (124.46 cm)), and a larger screen generally provides a more immersive viewing experience. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. 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. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability.

Verdict: Choosing between Infocus II-50EA800 and Sanyo 49S7100F depends on your usage, whether you prioritize display quality, smoother motion, or smart features.