Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Both TVs come with smart platforms that support popular streaming apps and voice control features. From a practical standpoint, both options provide a reliable viewing experience for most users. Westinghouse WR58UX4019 and Toshiba 55C350KU are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. There is a difference in screen size (58 Inch (147 cm) vs 55 Inch (139 cm)), and a larger screen generally provides a more immersive viewing experience. Both models support 4K 3840 x 2160 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

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