The LG 49LJ5100 vs Samsung UN40KU7000 comparison proves that these solutions have many common features. The biggest difference between TVs is screen size, namely 49 and 40 inches respectively. The 49LJ5100 belongs to the series LJ5100, and the Samsung UN40KU7000 - KU7000. The LG 49LJ5100 series has 49 inches diagonals, and UN40KU7000 boasts 40, 43, 49, 55, 65 inches diagonals.
The UN40KU7000 is capable of playing video in 4K/UHD resolution, which is not true of the 49LJ5100. Each of the compared devices supports Full HD resolution. The 49LJ5100 has the IPS display, while UN40KU7000 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 LG 49LJ5100 is 10W, versus 20W of the Samsung UN40KU7000. Dolby Atmos multi-channel audio format is not supported by both of the tested models.
The width of the 49LJ5100 is 110.74/43.59 cm/in, and for the UN40KU7000 it is 90.42/35.6 cm/inches. The height of LG 49LJ5100 is 65.8/25.9 cm/in, Samsung UN40KU7000 of height 52.07/20.5 cm/inches. A depth 49LJ5100 is 8.1/3.18 cm/in, the UN40KU7000 has 5.33/2.1 cm/in depth.
The 49LJ5100 has 2 HDMI connectors versus 3 connectors in the UN40KU7000. As for USB, the 49LJ5100 has 1 ports, compared with 2 ports for the UN40KU7000. Only the Samsung UN40KU7000 has the ability to connect to the Internet via WI-FI.
VESA sizes differ and amount to 300 x 300 versus 200 x 200 for the Samsung UN40KU7000.
You can watch Netflix TV shows and movies on only on the UN40KU7000.
As for Smart TV, only Samsung UN40KU7000 has this feature. Local dimming technology is no available in both models. Voice control is not available for these models.
The Samsung UN40KU7000 is better TV in this comparison. Check Samsung UN40KU7000 price