Sanyo XT-49S7200F and Samsung HG49NJ670UFXKR are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Sanyo XT-49S7200F and Samsung HG49NJ670UFXKR differ in resolution (1920 x 1080 vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Both TVs come with smart platforms that support popular streaming apps and voice control features. 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. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience.

Verdict: Choosing between Sanyo XT-49S7200F and Samsung HG49NJ670UFXKR depends on your usage, whether you prioritize display quality, smoother motion, or smart features.