It makes sense comparing VIZIO SB3651-F6 vs Samsung HW-LST70T because they both are able to give some premium features. Based on our rating, SB3651-F6 has a total rating of 6.8 out of 10 versus 6.4 for HW-LST70T. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up 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 VIZIO SB3651-F6 has 5.1 versus 3.0 for the Samsung HW-LST70T. Only the Samsung HW-LST70T has a built-in subwoofer. The SB3651-F6 has a wired and wireless connection to separate subwoofer, and the HW-LST70T - wireless. The VIZIO SB3651-F6 got our rating of 8 out of 10, and the Samsung HW-LST70T 6 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify is available on each of the soundbars.
These models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/0 HDMI inputs/outputs. Only the SB3651-F6 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SB3651-F6 received a rating of 8/10 versus 6/10, respectively. 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 VIZIO SB3651-F6 got a rating of 6, and Samsung HW-LST70T 5 out of 10.