Samsung DU7100 65" 4K UHD LED Smart TV - UE65DU7100

The 65-inch model offers a larger viewing experience compared to the 43-inch version, making it more suitable for spacious rooms. Both TVs support 4K UHD resolution, Smart TV features, and run on the Tizen OS with similar app availability and voice assistant support. The bigger model includes a digital optical audio output, which the smaller lacks, potentially benefiting users with advanced sound systems. However, the 43-inch TV is more energy efficient in both HDR and SDR modes, which might appeal to eco-conscious buyers. Both models share key features like 3 HDMI ports, HDR support, and similar connectivity options, so the main difference lies in size and slight audio output capabilities.