It makes sense comparing Samsung HW-S40T vs Samsung Q800B because they both are able to give some premium features. Based on our rating, HW-S40T has a total rating of 5 out of 10 versus 9.2 for Q800B.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Samsung HW-S40T has 2.0 versus 5.1.2 for the Samsung Q800B. The output power is different and equal to 100 W for the HW-S40T versus 360 (overall) W for the Q800B. Only the Samsung HW-S40T has a built-in subwoofer. The Samsung HW-S40T got our rating of 6 out of 10, and the Samsung Q800B 8 for its audio features and specs.
Spotify support is available on the Q800B.
Only the Samsung Q800B can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Samsung HW-S40T has 1/0 HDMI inputs/outputs versus 1/1 of the Samsung Q800B. Only the Q800B supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, the HW-S40T received a rating of 6/10 versus 9/10, respectively.
App control is available in every soundbar. A built-in microphone is present only on the Q800B. Soundbars do not have Multi-room support.
Only the Q800B has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the Q800B. For multichannel surround Samsung HW-S40T got a rating of 5, and Samsung Q800B 10 out of 10.