It makes sense comparing LG SN5Y vs LG S90QY because they both are able to give some premium features. Based on our rating, SN5Y has a total rating of 6 out of 10 versus 8 for S90QY.
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the LG SN5Y has 2.1 versus 5.1.3 for the LG S90QY. The output power is different and equal to 400 (overall) W for the SN5Y versus 440 (overall) W for the S90QY. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The LG SN5Y got our rating of 6 out of 10, and the LG S90QY 8 for its audio features and specs.
Spotify support is available on the S90QY.
Only the LG S90QY can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Each soundbar has 1/1 HDMI inputs/outputs. 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 for the SN5Y. A built-in microphone is present only on the SN5Y. Soundbars do not have Multi-room support.
Only the S90QY has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the S90QY. For multichannel surround LG SN5Y got a rating of 5, and LG S90QY 10 out of 10.