First of all, the main differences, 9000h straight down backlight, with an elite light control (checkerboard light control partition), HDR effect will be significantly better than 8500g, the brightness must also be higher than 8500g, the range of color gambit is basically larger, more colorful. 9000 h support sharp dynamic, the motion picture is better than 8500g. All in all, 9000h picture quality is obviously better than 8500g. At the same time, presumably you also know that 9000h support hdmi2.1 port, 8500g does not support. Among other things, 9000h has a new upgraded voice assistant, which significantly improves the recognition accuracy and speed, and has more functions.