It makes sense comparing LG 65UJ7700 vs Samsung UN75MU9000 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 65 and 75 inches respectively. The 65UJ7700 belongs to the series UJ770, and the Samsung UN75MU9000 - MU9000. The LG 65UJ7700 series has 55, 60, 65 inches diagonals, and UN75MU9000 boasts 55, 65, 75 inches diagonals.
Support for 4K/UHD is implemented in both models. Each of the compared devices supports Full HD resolution. The 65UJ7700 has the IPS display, while UN75MU9000 has the VA display. The Samsung UN75MU9000 works with 120Hz refresh rate, for LG 65UJ7700 the refresh rate is 60Hz. Both TVs support High dynamic range (HDR) technology.
Sound in the stereo format is available to each TV. The speaker power of the LG 65UJ7700 is 20W, versus 40W of the Samsung UN75MU9000. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 65UJ7700 is 145.54/57.29 cm/in, and for the UN75MU9000 it is 167.64/66 cm/inches. The height of LG 65UJ7700 is 84.07/33.09 cm/in, Samsung UN75MU9000 of height 97.03/38.2 cm/inches. A depth 65UJ7700 is 6.35/2.5 cm/in, the UN75MU9000 has 5.6/2.2 cm/in depth.
Each TV has 4 HDMI connectors. As for USB, the 65UJ7700 has 2 ports, compared with 3 ports for the UN75MU9000. These rivals can connect to the Internet via WI-FI. Support for WI-FI 5GHz is implemented both in 65UJ7700 and in UN75MU9000. It is possible to connect a mouse or keyboard via Bluetooth to each of the TVs.
VESA sizes differ and amount to 300 x 300 versus 400 x 400 for the Samsung UN75MU9000.
You can watch Netflix TV shows and movies on each of the TVs. Hulu is available at each of the competitors.
As for Smart TV, here the competitors are equal and support this feature. Local Dimming technology is available in each model. Voice control is supported by both models and there is no leader. Voice control is not available for these models. Devices under consideration can be controlled using the Mobile App.
The LG 65UJ7700 is better TV in this comparison. Check LG 65UJ7700 price