Both TVs come with smart platforms that support popular streaming apps and voice control features. LG 20M37D and LG 19M37A differ in resolution (NA vs 1366 x 768), which can affect overall clarity and sharpness of the display. From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. If you're comparing LG 20M37D and LG 19M37A, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. There is a difference in screen size (20 Inch (50.80 cm) vs 19 Inch (48.26 cm)), and a larger screen generally provides a more immersive viewing experience.

Verdict: Choosing between LG 20M37D and LG 19M37A depends on your usage, whether you prioritize display quality, smoother motion, or smart features.