Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. 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. From a practical standpoint, both options provide a reliable viewing experience for most users. If you're comparing TCL 75S435 and TCL 75S446, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. 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: Choosing between TCL 75S435 and TCL 75S446 depends on your usage, whether you prioritize display quality, smoother motion, or smart features.