Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. If you're comparing Oppo SmartTVR155 and Mi Xiaomi Smart TV FX Pro QLED Series 55, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. From a practical standpoint, both options provide a reliable viewing experience for most users. 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 models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming.

Verdict: Choosing between Oppo SmartTVR155 and Mi Xiaomi Smart TV FX Pro QLED Series 55 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.