Both TVs come with smart platforms that support popular streaming apps and voice control features. Sanyo 43S7100F features a 43 Inch (109.22 cm) screen while Thomson 40FD2S13W comes with 40 Inch (102 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. Both models support 1920 x 1080 resolution, ensuring sharp picture quality with detailed visuals for movies, shows, and gaming. Sanyo 43S7100F and Thomson 40FD2S13W are well-equipped smart TVs that aim to provide a balance of picture quality, performance, and smart capabilities. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. 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.

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