Vizio V21-H8 vs Samsung HW-R650 comparison definitely makes sense. Based on our rating, V21-H8 has a total rating of 5.5 out of 10 versus 5.2 for HW-R650. The competitors' control buttons are different: power, volume down, volume up, source, Bluetooth 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 V21-H8 has 2.1 versus 3.1 for the Samsung HW-R650. Competitors do not have a built-in subwoofer. The V21-H8 has a wired and wireless connection to separate subwoofer, and the HW-R650 - wireless. The Vizio V21-H8 got our rating of 6 out of 10, and the Samsung HW-R650 7 for its audio features and specs.
Soundbars do not have AirPlay support. Spotify support not implemented in both soundbars.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. The Vizio V21-H8 has 0/1 HDMI inputs/outputs versus 1/1 of the Samsung HW-R650. The HDMI Audio Return Channel (ARC) feature supports both devices. Both soundbars have a USB connector. For connectivity, the V21-H8 received a rating of 6/10 versus 7/10, respectively. App control is available for the V21-H8. A built-in microphone is present only on the V21-H8. Soundbars do not have Multi-room support.
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.