It makes sense comparing LG 55UJ7700 vs Samsung UN65KU6290 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 55 and 65 inches respectively. The 55UJ7700 belongs to the series UJ770, and the Samsung UN65KU6290 - KU6290. The LG 55UJ7700 series has 55, 60, 65 inches diagonals, and UN65KU6290 boasts 40, 55, 65 inches diagonals.
Support for 4K/UHD is implemented in both models. Each of the compared devices supports Full HD resolution. The 55UJ7700 has the IPS display, while UN65KU6290 has the SVA display. The screen refresh rate is 60Hz, the leader can not be selected here.
Sound in the stereo format is available to each TV. The power of the speakers is identical. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 55UJ7700 is 123.7/48.7 cm/in, and for the UN65KU6290 it is 146.3/57.59 cm/inches. The height of LG 55UJ7700 is 72.64/28.6 cm/in, Samsung UN65KU6290 of height 84.33/33.2 cm/inches. A depth 55UJ7700 is 6.1/2.4 cm/in, the UN65KU6290 has 6.35/2.5 cm/in depth.
The 55UJ7700 has 4 HDMI connectors versus 3 connectors in the UN65KU6290. And you also can connect up to 2 devices via USB to each of the models. These rivals can connect to the Internet via WI-FI. Support for WI-FI 5GHz is implemented both in 55UJ7700 and in UN65KU6290.
VESA sizes differ and amount to 300 x 300 versus 400 x 400 for the Samsung UN65KU6290.
As for Smart TV, here the competitors are equal and support this feature. The 55UJ7700 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 LG 55UJ7700 is better TV in this comparison. Check LG 55UJ7700 price