It makes sense comparing TCL 55S405 vs LG 50UH5530 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 55 and 50 inches respectively. The 55S405 belongs to the series S405, and the LG 50UH5530 - UH5530. The TCL 55S405 series has 43, 49, 55, 65 inches diagonals, and 50UH5530 boasts 50 inches diagonals.
Support for 4K/UHD is implemented in both models. Each of the compared devices supports Full HD resolution. The 55S405 has the LCD display, while 50UH5530 has the IPS display. The screen refresh rate is 60Hz, the leader can not be selected here. Both TVs support High dynamic range (HDR) technology.
Sound in the stereo format is available to each TV. The speaker power of the TCL 55S405 is 16W, versus 20W of the LG 50UH5530. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 55S405 is 124.7/49.1 cm/in, and for the 50UH5530 it is 112.78/44.4 cm/inches. The height of TCL 55S405 is 72.39/28.5 cm/in, LG 50UH5530 of height 65.28/25.7 cm/inches. A depth 55S405 is 7.62/3 cm/in, the 50UH5530 has 9.14/3.59 cm/in depth.
Each TV has 3 HDMI connectors. 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 55S405 and in 50UH5530. 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 200 for the LG 50UH5530.
You can watch Netflix TV shows and movies on each of the TVs. Hulu is available at each of the competitors.
As for Smart TV, here the competitors are equal and support this feature. Local Dimming technology is available in each model. Voice control is not available for these models. Devices under consideration can be controlled using the Mobile App.
The TCL 55S405 is better TV in this comparison. Check TCL 55S405 price