Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. From a practical standpoint, both options provide a reliable viewing experience for most users. Panasonic TH-49GX655DX and Samsung HG50AT670UJ are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. There is a difference in screen size (49 Inch (124.46 cm) vs 50 Inch (126 cm)), and a larger screen generally provides a more immersive viewing experience. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Panasonic TH-49GX655DX and Samsung HG50AT670UJ offer different motion rates (60 Hz vs 100 Hz), 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.