Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. Mi X55 and Onida 55UIQ6 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. 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. Audio output differs between the two (30 W vs 20 W), which can influence overall sound clarity and loudness. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content.

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