It makes sense comparing LG 49LJ5500 vs TCL 43S405 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 49 and 43 inches respectively. The 49LJ5500 belongs to the series LJ550, and the TCL 43S405 - S405. The LG 49LJ5500 series has 43, 49 inches diagonals, and 43S405 boasts 43, 49, 55, 65 inches diagonals.
The 43S405 is capable of playing video in 4K/UHD resolution, which is not true of the 49LJ5500. Each of the compared devices supports Full HD resolution. The 49LJ5500 has the IPS display, while 43S405 has the LCD 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 49LJ5500 is 10W, versus 16W of the TCL 43S405. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 49LJ5500 is 111/43.7 cm/in, and for the 43S405 it is 97.28/38.3 cm/inches. The height of LG 49LJ5500 is 65.02/25.59 cm/in, TCL 43S405 of height 56.39/22.2 cm/inches. A depth 49LJ5500 is 8.13/3.2 cm/in, the 43S405 has 7.36/2.9 cm/in depth.
The 49LJ5500 has 2 HDMI connectors versus 3 connectors in the 43S405. 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 49LJ5500 and in 43S405. There is a native support for a mouse and keyboard in these rivals.
VESA sizes differ and amount to 300 x 300 versus 100 x 100 for the TCL 43S405.
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 49LJ5500 and 43S405.
As for Smart TV, here the competitors are equal and support this feature. The 43S405 has Local Dimming technology. Voice assistant Amazon Alexa is implemented only on 49LJ5500. Devices under consideration can be controlled using the Mobile App.
The TCL 43S405 is better TV in this comparison. Check TCL 43S405 price