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. LG 20M37D features a 20 Inch (50.80 cm) screen while LG 19M37A comes with 19 Inch (48.26 cm), which can make a noticeable difference depending on your room size and viewing distance. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. LG 20M37D and LG 19M37A differ in resolution (NA vs 1366 x 768), which can affect overall clarity and sharpness of the display. 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. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability.

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