The VIZIO SB46514-F6 vs VIZIO SB3820-C6 comparison proves that these soundbars have many common features. Based on our rating, SB46514-F6 has a total rating of 7.6 out of 10 versus 5.2 for SB3820-C6. The competitors' control buttons are different: power, volume down, volume up, input, Bluetooth 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 VIZIO SB46514-F6 has 5.1.4 versus 2.0 for the VIZIO SB3820-C6. Competitors do not have a built-in subwoofer. The VIZIO SB46514-F6 got our rating of 7 out of 10, and the VIZIO SB3820-C6 5 for its audio features and specs. Spotify support not implemented in both soundbars.
Only the VIZIO SB46514-F6 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the SB46514-F6 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the SB46514-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 SB46514-F6. Multi-room is only available for the VIZIO SB46514-F6.
Only the SB46514-F6 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround VIZIO SB46514-F6 got a rating of 7, and VIZIO SB3820-C6 4 out of 10.