Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. There is a difference in screen size (48 Inch (121.92 cm) vs 50 Inch (126 cm)), and a larger screen generally provides a more immersive viewing experience. Samsung UA48J5100AR and Videocon VKX50FH17FAH offer different motion rates (100 Hz vs NA), which can impact smoothness during fast-moving scenes like sports and gaming. Samsung UA48J5100AR and Videocon VKX50FH17FAH are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience.

Verdict: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.