Pioneer VSX-LX303 vs Sony STR-DH190 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX303 has 9.2 versus 2.0 for Sony STR-DH190. Regarding power, then VSX-LX303 has such a W/Ohm ratio - 100/8, 200/6 when STR-DH190 has a power of 100/8. The THD is 0.08% for the VSX-LX303 but 0.09% for the STR-DH190. Only the VSX-LX303 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the VSX-LX303 supports Spotify. Only the VSX-LX303 provides HDMI signal transmission in standby mode. The VSX-LX303 can scale the input HDMI signal, unlike the STR-DH190. Dolby Vision technology found support only on the VSX-LX303. Only the VSX-LX303 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 VSX-LX303. These compared receivers have a built-in phono stage for connecting a vinyl player. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Pioneer VSX-LX303.
Only the VSX-LX303 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-LX303.