Both TVs come with smart platforms that support popular streaming apps and voice control features. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. If you're comparing Skyworth 75S1 and Haier H77C90EUX, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Skyworth 75S1 and Haier H77C90EUX offer different motion rates (60 Hz vs 120 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Skyworth 75S1 features a 75 Inch (191 cm) screen while Haier H77C90EUX comes with 77 Inch (195.58 cm), which can make a noticeable difference depending on your room size and viewing distance. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming.

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