It makes sense comparing VIZIO SB3651-F6 vs Samsung HW-N850 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 8.6 for HW-N850. The competitors' control buttons are different: power, input, Bluetooth, volume down, volume up and power, input, volume down, volume up, 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 5.1.2 for the Samsung HW-N850. Competitors do not have a built-in subwoofer. The SB3651-F6 has a wired and wireless connection to separate subwoofer, and the HW-N850 - wireless. The VIZIO SB3651-F6 got our rating of 8 out of 10, and the Samsung HW-N850 7 for its audio features and specs. 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 VIZIO SB3651-F6 has 1/0 HDMI inputs/outputs versus 2/0 of the Samsung HW-N850. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the SB3651-F6 received a rating of 8/10 versus 7/10, respectively. App control is available in every soundbar. A built-in microphone is present only on the HW-N850. Multi-room is only available for the Samsung HW-N850.
Only the HW-N850 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the HW-N850. For multichannel surround VIZIO SB3651-F6 got a rating of 6, and Samsung HW-N850 9 out of 10.