Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Skyworth 100SUE8600 and TCL 98Q9BK offer different motion rates (60 Hz vs 144 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. There is a difference in screen size (100 Inch (254 cm) vs 98 Inch (249 cm)), and a larger screen generally provides a more immersive viewing experience. Skyworth 100SUE8600 and TCL 98Q9BK are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. 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: Both TVs are strong contenders, and your final choice should depend on your preference for screen size, motion performance, and smart features.