The LG SL5Y vs Samsung HW-S40T comparison proves that these soundbars have many common features. Based on our rating, both soundbars have the same overall rating of 5. 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 SL5Y has 2.1 versus 2.0 for the Samsung HW-S40T. The output power is different and equal to 400 (overall) W for the SL5Y versus 100 W for the HW-S40T. Only the Samsung HW-S40T has a built-in subwoofer. The LG SL5Y 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 SL5Y has 1/1 HDMI inputs/outputs versus 1/0 of the Samsung HW-S40T. Only the SL5Y supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SL5Y received a rating of 7/10 versus 6/10, respectively.
App control is available for the HW-S40T. None of the models under consideration have a built-in microphone. Soundbars do not have Multi-room support.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround LG SL5Y got a rating of 6, and Samsung HW-S40T 5 out of 10.