I had a chance to test and compare two models: LG 55UJ7700 vs Sony KD55X750F and this review should help people who are looking for a good TV. The screen size of both models is 55 inches. The 55UJ7700 from series UJ770, but the opponent belongs to series X750F. The series LG 55UJ7700 has 55, 60, 65 inches diagonals, but in the case of KD55X750F only 43, 39, 55, 65 diagonals are possible.
Both devices support playback of 4K/UHD video. Rivals work well with Full HD video. The 55UJ7700 has IPS display, while the KD55X750F has LCD display. The refresh rate is equal for these TVs - 60. Also the HDR feature is realized in both units. Unfortunately, none of the devices supports 3D video playback.
Both units work well with stereo audio format. The power of the speakers on rivals is equal. None of the TVs in this comparison have Dolby Atmos support.
The LG 55UJ7700 has a width of 123.7/48.7 cm/in, compared with a width of 124.2/48.9 cm/in for Sony KD55X750F. The LG 55UJ7700 has a height of 72.64/28.6 cm/in, compared with a height of 78.4/30.87 cm/in for Sony KD55X750F. The LG 55UJ7700 has a depth of 6.1/2.4 cm/inches, compared with a depth of 35.6/14.02 cm/in for Sony KD55X750F.
In each model, manufacturers provide 4 HDMI connectors. There are 2 USB ports available on the LG 55UJ7700, but Sony KD55X750F has 3 USB ports. Models in this comparison have Internet access via Wi-Fi. However, Wi-Fi module in the LG 55UJ7700 can operate at 5 GHz. Also, in addition to the remote control, you can connect a mouse and keyboard to both TVs via Bluetooth.
VESA wall mount options are different and are 300 x 300 vs 200 x 200, respectively considered model.
Users can watch Netflix movies and series on these TVs. It is possible to watch content from Hulu streaming service on these compared models.
Each compared model can be positioned by manufacturers as Smart TV. Thanks to the display, the Local Dimming function is implemented in the 55UJ7700. And because of this, it is possible to control any of these TVs by voice. A voice control via Amazon Alexa is implemented in Sony KD55X750F. Besides, each manufacturer provides a mobile application to monitor each of rivals TVs.
The LG 55UJ7700 is better TV in this comparison. Check LG 55UJ7700 price