Westinghouse WH43SP99 features a 43 Inch (109.22 cm) screen while TCL 40S334 comes with 40 Inch (102 cm), which can make a noticeable difference depending on your room size and viewing distance. Both TVs come with smart platforms that support popular streaming apps and voice control features. Westinghouse WH43SP99 and TCL 40S334 are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Westinghouse WH43SP99 and TCL 40S334 offer different motion rates (60 Hz vs 50 Hz), which can impact smoothness during fast-moving scenes like sports and gaming. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Westinghouse WH43SP99 and TCL 40S334 differ in resolution (1920 x 1080 vs FHD), which can affect overall clarity and sharpness of the display. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. In general, both TVs cater to modern entertainment needs, including streaming, gaming, and everyday viewing.

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