The LG GX vs Samsung HW-S40T comparison proves that these soundbars have many common features. Based on our rating, GX has a total rating of 6.5 out of 10 versus 5 for HW-S40T. The competitors' control buttons are different: power, volume down, volume up, function and volume down, volume up, power, source, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG GX has 3.1 versus 2.0 for the Samsung HW-S40T. The output power is different and equal to 420 (overall) W for the GX versus 100 W for the HW-S40T. Only the Samsung HW-S40T has a built-in subwoofer. The LG GX got our rating of 7 out of 10, and the Samsung HW-S40T 6 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The LG GX has 1/1 HDMI inputs/outputs versus 1/0 of the Samsung HW-S40T. Only the GX supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the GX received a rating of 8/10 versus 6/10, respectively.
App control is available in every soundbar. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
Only the GX has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the GX. For multichannel surround LG GX got a rating of 10, and Samsung HW-S40T 5 out of 10.