I had a chance to test and compare two models: LG 49LJ5100 vs Sony KD55X750F and this review should help people who are looking for a good TV. A noticeable difference when comparing the two models is the screen size, which is 49 inches for the 49LJ5100 and 55 inches for the KD55X750F. The 49LJ5100 from series LJ5100, but the opponent belongs to series X750F. The series LG 49LJ5100 has 49 inches diagonals, but in the case of KD55X750F only 43, 39, 55, 65 diagonals are possible.
The 4K/UHD video playback is implemented only in KD55X750F. Rivals work well with Full HD video. The 49LJ5100 has IPS display, while the KD55X750F has LCD display. The refresh rate is equal for these TVs - 60. Unfortunately, none of the devices supports 3D video playback.
Both units work well with stereo audio format. Speakers with a power of 10W are installed in 49LJ5100, but in 49LJ5100 has speakers with a power of 20W. None of the TVs in this comparison have Dolby Atmos support.
The LG 49LJ5100 has a width of 110.74/43.59 cm/in, compared with a width of 124.2/48.9 cm/in for Sony KD55X750F. The LG 49LJ5100 has a height of 65.8/25.9 cm/in, compared with a height of 78.4/30.87 cm/in for Sony KD55X750F. The LG 49LJ5100 has a depth of 8.1/3.18 cm/inches, compared with a depth of 35.6/14.02 cm/in for Sony KD55X750F.
The 49LJ5100 can operate 2 HDMI connectors, whille the KD55X750F has 4 HDMIs. There are 1 USB ports available on the LG 49LJ5100, but Sony KD55X750F has 3 USB ports. The Wi-Fi protocol is implemented only in KD55X750F.
VESA wall mount options are different and are 300 x 300 vs 200 x 200, respectively considered model.
The KD55X750F has a built-in Netflix servise.
Only the KD55X750F can be considered as a Smart TV. The Local Dimming feature is not supported by the display type of both models. A voice control via Amazon Alexa is implemented in Sony KD55X750F.
The Sony KD55X750F is better TV in this comparison. Check Sony KD55X750F price