It makes sense comparing Samsung UN55LS003AFXZA vs LG 49LJ5100 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 55 and 49 inches respectively. The UN55LS003AFXZA belongs to the series LS003, and the LG 49LJ5100 - LJ5100. The Samsung UN55LS003AFXZA series has 43, 55, 65 inches diagonals, and 49LJ5100 boasts 49 inches diagonals.
The UN55LS003AFXZA is capable of playing video in 4K/UHD resolution, which can't be said for 49LJ5100. Each of the compared devices supports Full HD resolution. The UN55LS003AFXZA has the VA display, while 49LJ5100 has the IPS display. The LG 49LJ5100 works with 60Hz refresh rate, for Samsung UN55LS003AFXZA the refresh rate is 120Hz.
Sound in the stereo format is available to each TV. The speaker power of the Samsung UN55LS003AFXZA is 40W, versus 10W of the LG 49LJ5100. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the UN55LS003AFXZA is 123.44/48.59 cm/in, and for the 49LJ5100 it is 110.74/43.59 cm/inches. The height of Samsung UN55LS003AFXZA is 70.7/27.83 cm/in, LG 49LJ5100 of height 65.8/25.9 cm/inches. A depth UN55LS003AFXZA is 4.25/1.67 cm/in, the 49LJ5100 has 8.1/3.18 cm/in depth.
The UN55LS003AFXZA has 4 HDMI connectors versus 2 connectors in the 49LJ5100. As for USB, the UN55LS003AFXZA has 3 ports, compared with 1 ports for the 49LJ5100. Only the Samsung UN55LS003AFXZA has the ability to connect to the Internet via WI-FI.
VESA sizes differ and amount to 400 x 400 versus 300 x 300 for the LG 49LJ5100.
You can watch Netflix TV shows and movies on only on the UN55LS003AFXZA.
As for Smart TV, only Samsung UN55LS003AFXZA has this feature. The UN55LS003AFXZA has Local Dimming technology. Voice control is not available for these models.
The Samsung UN55LS003AFXZA is better TV in this comparison. Check Samsung UN55LS003AFXZA price