Pioneer VSX-LX102 vs Marantz NR1403 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer VSX-LX102 has 7.2 versus 5.1 for Marantz NR1403. Regarding power, then VSX-LX102 has such a W/Ohm ratio - 80/8, 170/6 when NR1403 has a power of 50/8, 80/6. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, AK4438 384 KHz/32-bit for VSX-LX102 and 192 KHz/24-bit for the NR1403. Only the VSX-LX102 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-LX102 supports Spotify. HDMI signal transmission in standby mode is implemented in each of the devices. The VSX-LX102 can scale the input HDMI signal, unlike the NR1403. Dolby Vision technology found support only on the VSX-LX102.
The Pioneer VSX-LX102 has 4/1 HDMI inputs/outputs versus 6/1 HDMI connectors of the Marantz NR1403. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The VSX-LX102 has a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the VSX-LX102. The setup assistant will help you configure Pioneer VSX-LX102.
Only the VSX-LX102 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the VSX-LX102.