Yamaha RX-V671 vs Sony STR-DH190 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 2.0 for Sony STR-DH190. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when STR-DH190 has a power of 100/8. The THD is the same and is 0.09%. Only the RX-V671 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models do not have WI-FI support. Rivals from our review have Bluetooth support. Each of these units does not support Apple Music. Competitors do not have built-in Spotify service.
HDR is not available on each model. Only the RX-V671 provides HDMI signal transmission in standby mode. The RX-V671 can scale the input HDMI signal, unlike the STR-DH190. The HDR standard - Dolby Vision is not supported by these receivers. Only the RX-V671 supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the RX-V671. These compared receivers have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is not present in each of the AV receivers. Unfortunately, the setup assistant is not available in each of the models.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.