It makes sense comparing LG 49LJ5100 vs Sony XBR49X900E because they both are able to give some premium features. The screen size is the same and is 49 inches. The 49LJ5100 belongs to the series LJ5100, and the Sony XBR49X900E - X900E. The LG 49LJ5100 series has 49 inches diagonals, and XBR49X900E boasts 49, 55, 65, 75 inches diagonals.
The XBR49X900E 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 XBR49X900E has the VA display. The Sony XBR49X900E works with 120Hz refresh rate, for LG 49LJ5100 the refresh rate is 60Hz.
Sound in the stereo format is available to each TV. The speaker power of the LG 49LJ5100 is 10W, versus 20W of the Sony XBR49X900E. 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 XBR49X900E it is 109.3/43.03 cm/inches. The height of LG 49LJ5100 is 65.8/25.9 cm/in, Sony XBR49X900E of height 63.1/24.84 cm/inches. A depth 49LJ5100 is 8.1/3.18 cm/in, the XBR49X900E has 6.2/2.44 cm/in depth.
The 49LJ5100 has 2 HDMI connectors versus 4 connectors in the XBR49X900E. As for USB, the 49LJ5100 has 1 ports, compared with 3 ports for the XBR49X900E. Only the Sony XBR49X900E 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 Sony XBR49X900E.
You can watch Netflix TV shows and movies on only on the XBR49X900E.
As for Smart TV, only Sony XBR49X900E has this feature. The XBR49X900E has Local Dimming technology. Voice assistant Amazon Alexa is implemented only on XBR49X900E.
The Sony XBR49X900E is better TV in this comparison. Check Sony XBR49X900E price