It makes sense comparing TCL 55S405 vs Samsung UN65KU6290 because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 55 and 65 inches respectively. The 55S405 belongs to the series S405, and the Samsung UN65KU6290 - KU6290. The TCL 55S405 series has 43, 49, 55, 65 inches diagonals, and UN65KU6290 boasts 40, 55, 65 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 UN65KU6290 has the SVA 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 55S405 is 16W, versus 20W of the Samsung UN65KU6290. 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 UN65KU6290 it is 146.3/57.59 cm/inches. The height of TCL 55S405 is 72.39/28.5 cm/in, Samsung UN65KU6290 of height 84.33/33.2 cm/inches. A depth 55S405 is 7.62/3 cm/in, the UN65KU6290 has 6.35/2.5 cm/in depth.
Each TV has 3 HDMI connectors. As for USB, the 55S405 has 1 ports, compared with 2 ports for the UN65KU6290. These rivals can connect to the Internet via WI-FI. Support for WI-FI 5GHz is implemented both in 55S405 and in UN65KU6290. There is a native support for a mouse and keyboard in these rivals.
VESA sizes differ and amount to 200 x 200 versus 400 x 400 for the Samsung UN65KU6290.
As for Smart TV, here the competitors are equal and support this feature. The 55S405 has Local Dimming technology. 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