It makes sense comparing LG 49LJ5100 vs Samsung UN55MU7000 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 49 and 55 inches respectively. The 49LJ5100 belongs to the series LJ5100, and the Samsung UN55MU7000 - MU7000. The LG 49LJ5100 series has 49 inches diagonals, and UN55MU7000 boasts 40, 49, 55, 65 inches diagonals.
The UN55MU7000 is capable of playing video in 4K/UHD resolution, which is not true of the 49LJ5100. Each of the compared devices supports Full HD resolution. The 49LJ5100 has the IPS display, while UN55MU7000 has the VA 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 speaker power of the LG 49LJ5100 is 10W, versus 20W of the Samsung UN55MU7000. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 49LJ5100 is 110.74/43.59 cm/in, and for the UN55MU7000 it is 123.44/48.59 cm/inches. The height of LG 49LJ5100 is 65.8/25.9 cm/in, Samsung UN55MU7000 of height 71.63/28.2 cm/inches. A depth 49LJ5100 is 8.1/3.18 cm/in, the UN55MU7000 has 5.56/2.18 cm/in depth.
The 49LJ5100 has 2 HDMI connectors versus 3 connectors in the UN55MU7000. As for USB, the 49LJ5100 has 1 ports, compared with 2 ports for the UN55MU7000. Only the Samsung UN55MU7000 has the ability to connect to the Internet via WI-FI.
VESA sizes differ and amount to 300 x 300 versus 400 x 400 for the Samsung UN55MU7000.
You can watch Netflix TV shows and movies on only on the UN55MU7000.
As for Smart TV, only Samsung UN55MU7000 has this feature. The UN55MU7000 has Local Dimming technology. Voice control is not available for these models.
The Samsung UN55MU7000 is better TV in this comparison. Check Samsung UN55MU7000 price