It makes sense comparing TCL 65S405 vs Samsung UN78KS9500FXZA because they both are able to give some premium features. The biggest difference between TVs is screen size, namely 65 and 78 inches respectively. The 65S405 belongs to the series S405, and the Samsung UN78KS9500FXZA - KS9500. The TCL 65S405 series has 43, 49, 55, 65 inches diagonals, and UN78KS9500FXZA boasts 55, 65, 78 inches diagonals.
Support for 4K/UHD is implemented in both models. Each of the compared devices supports Full HD resolution. The 65S405 has the LCD display, while UN78KS9500FXZA has the SVA display. The Samsung UN78KS9500FXZA works with 120Hz refresh rate, for TCL 65S405 the refresh rate is 60Hz.
Sound in the stereo format is available to each TV. The speaker power of the TCL 65S405 is 16W, versus 40W of the Samsung UN78KS9500FXZA. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 65S405 is 146.81/57.8 cm/in, and for the UN78KS9500FXZA it is 174.5/68.7 cm/inches. The height of TCL 65S405 is 84.58/33.3 cm/in, Samsung UN78KS9500FXZA of height 101.09/39.79 cm/inches. A depth 65S405 is 7.87/3.1 cm/in, the UN78KS9500FXZA has 14.48/5.7 cm/in depth.
The 65S405 has 3 HDMI connectors versus 4 connectors in the UN78KS9500FXZA. As for USB, the 65S405 has 1 ports, compared with 3 ports for the UN78KS9500FXZA. These rivals can connect to the Internet via WI-FI. Support for WI-FI 5GHz is implemented both in 65S405 and in UN78KS9500FXZA.
VESA sizes differ and amount to 300 x 300 versus 600 x 400 for the Samsung UN78KS9500FXZA.
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 65S405 and UN78KS9500FXZA.
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 Samsung UN78KS9500FXZA is better TV in this comparison. Check Samsung UN78KS9500FXZA price