It makes sense comparing LG 65LF6300 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 65LF6300 belongs to the series LF6300, and the Samsung UN75MU9000 - MU9000. The LG 65LF6300 series has 40, 43, 49, 55, 60, 65 inches diagonals, and UN75MU9000 boasts 55, 65, 75 inches diagonals.
The UN75MU9000 is capable of playing video in 4K/UHD resolution, which is not true of the 65LF6300. Each of the compared devices supports Full HD resolution. The 65LF6300 has the IPS display, while UN75MU9000 has the VA display. The Samsung UN75MU9000 works with 120Hz refresh rate, for LG 65LF6300 the refresh rate is 60Hz.
Sound in the stereo format is available to each TV. The speaker power of the LG 65LF6300 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 65LF6300 is 146.1/57.51 cm/in, and for the UN75MU9000 it is 167.64/66 cm/inches. The height of LG 65LF6300 is 84.8/33.38 cm/in, Samsung UN75MU9000 of height 97.03/38.2 cm/inches. A depth 65LF6300 is 5.84/2.29 cm/in, the UN75MU9000 has 5.6/2.2 cm/in depth.
The 65LF6300 has 3 HDMI connectors versus 4 connectors in the UN75MU9000. And you also can connect up to 3 devices via USB to each of the models. These rivals can connect to the Internet via WI-FI. 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. The UN75MU9000 has Local Dimming technology. 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 Samsung UN75MU9000 is better TV in this comparison. Check Samsung UN75MU9000 price