It makes sense comparing Samsung HW-S40T vs Samsung HW-LST70T because they both are able to give some premium features. Based on our rating, HW-S40T has a total rating of 5 out of 10 versus 6.4 for HW-LST70T. The set of control buttons for competitors is the same and is: volume down, volume up, power, source.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung HW-S40T has 2.0 versus 3.0 for the Samsung HW-LST70T. The output power is different and equal to 100 W for the HW-S40T versus 210 (overall) W for the HW-LST70T. Competitors have a built-in subwoofer. Both models received our 6 rating of 10 for their audio features and specs.
Soundbars do not have AirPlay support. Spotify support is available on the HW-LST70T.
Only the Samsung HW-LST70T can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/0 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) does not support any one of these models. Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 6/10. App control is available in every soundbar. A built-in microphone is present only on the HW-LST70T. Multi-room is only available for the Samsung HW-LST70T.
None of soundbars equipped with Dolby Atmos multichannel audio decoder. The soundbars do not support the surround sound technology DTS:X. For multichannel surround, each of the opponents received 5 points out of 10.