Samsung HW-Q900T vs VIZIO SB3651-F6 comparison definitely makes sense. Based on our rating, HW-Q900T has a total rating of 8.2 out of 10 versus 6.8 for SB3651-F6. The competitors' control buttons are different: volume down, volume up, power, source and power, input, Bluetooth, volume down, volume up, respectively.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung HW-Q900T has 7.1.2 versus 5.1 for the VIZIO SB3651-F6. Competitors do not have a built-in subwoofer. The HW-Q900T has a wireless connection to separate subwoofer, and the SB3651-F6 - wired and wireless. Both models received our 8 rating of 10 for their 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. The Samsung HW-Q900T has 2/1 HDMI inputs/outputs versus 1/0 of the VIZIO SB3651-F6. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 8/10. App control is available in every soundbar. A built-in microphone is present only on the HW-Q900T. Multi-room is only available for the Samsung HW-Q900T.
Only the HW-Q900T has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HW-Q900T. For multichannel surround Samsung HW-Q900T got a rating of 9, and VIZIO SB3651-F6 6 out of 10.