HD video resolution is 1280x720. iPad mini only has a 1024x768 screen. That makes 780 000 pixels instead of 920 000 pixels, which is a significant difference.

HD video resolution is 1280x720. iPad mini only has a 1024x768 screen. That makes 780 000 pixels instead of 920 000 pixels, which is a significant difference. Also, iPad mini has a 4:3 screen which means the user will see black bars on top and the bottom while watching an HD movie.