From a practical standpoint, both options provide a reliable viewing experience for most users. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. There is a difference in screen size (43 Inch (109.22 cm) vs 40 Inch (102 cm)), and a larger screen generally provides a more immersive viewing experience. Panasonic TH-43MS660DX and Hisense 40A5Q differ in resolution (FHD vs 1920 x 1080), which can affect overall clarity and sharpness of the display. 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. Panasonic TH-43MS660DX and Hisense 40A5Q are two competitive smart TVs offering a mix of display performance, smart features, and overall value for different types of users. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions.

Verdict: Choosing between Panasonic TH-43MS660DX and Hisense 40A5Q depends on your usage, whether you prioritize display quality, smoother motion, or smart features.