Both TVs come in similar screen sizes, making them suitable for comparable viewing setups and room environments. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing. Audio output differs between the two (8 W + 8 W vs 24 W), which can influence overall sound clarity and loudness. TCL 55S535 and Realme 55 4K SLED differ in resolution (UHD vs 4K 3840 x 2160), which can affect overall clarity and sharpness of the display. TCL 55S535 and Realme 55 4K SLED offer different motion rates (120 Hz vs 60 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. TCL 55S535 and Realme 55 4K SLED are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features.

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