It makes sense comparing TCL 49S405 vs LG 55LJ5500 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 49S405 belongs to the series S405, and the LG 55LJ5500 - LJ550. The TCL 49S405 series has 43, 49, 55, 65 inches diagonals, and 55LJ5500 boasts 43, 49, 55 inches diagonals.
The 49S405 is capable of playing video in 4K/UHD resolution, which can't be said for 55LJ5500. Each of the compared devices supports Full HD resolution. The 49S405 has the LCD display, while 55LJ5500 has the IPS 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 TCL 49S405 is 16W, versus 20W of the LG 55LJ5500. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 49S405 is 111/43.7 cm/in, and for the 55LJ5500 it is 124.97/49.2 cm/inches. The height of TCL 49S405 is 69.34/27.3 cm/in, LG 55LJ5500 of height 72.9/28.7 cm/inches. A depth 49S405 is 7.62/3 cm/in, the 55LJ5500 has 8.38/3.29 cm/in depth.
The 49S405 has 3 HDMI connectors versus 2 connectors in the 55LJ5500. And you also can connect up to 1 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 49S405 and in 55LJ5500. There is a native support for a mouse and keyboard in these rivals.
VESA sizes differ and amount to 200 x 200 versus 300 x 300 for the LG 55LJ5500.
You can watch Netflix TV shows and movies on each of the TVs. Hulu is available at each of the competitors. It is possible to use the HBO service on both 49S405 and 55LJ5500.
As for Smart TV, here the competitors are equal and support this feature. The 49S405 has Local Dimming technology. Voice assistant Amazon Alexa is implemented only on 55LJ5500. Devices under consideration can be controlled using the Mobile App.
The TCL 49S405 is better TV in this comparison. Check TCL 49S405 price