Audio output differs between the two (5 W + 5 W vs 2 X 5 W), which can influence overall sound clarity and loudness. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. If you're comparing TCL 32S351-CA and TCL 32RS530K, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. 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 1366 x 768 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

Verdict: Choosing between TCL 32S351-CA and TCL 32RS530K depends on your usage, whether you prioritize display quality, smoother motion, or smart features.