An affordable AV receiver is always a good option to consider, so Marantz SR6015 vs Yamaha RX-V475 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Marantz SR6015 has 9.2 versus 5.1 for Yamaha RX-V475. Regarding power, then SR6015 has such a W/Ohm ratio - 110/8, 150/6 when RX-V475 has a power of 80/6. The THD is 0.08% for the SR6015 but 0.09% for the RX-V475. Only the SR6015 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. The Marantz SR6015 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. HDMI signal transmission in standby mode is implemented in each of the devices. The SR6015 can scale the input HDMI signal, unlike the RX-V475. Dolby Vision technology found support only on the SR6015.
The Marantz SR6015 has 7/3 HDMI inputs/outputs versus 5/1 HDMI connectors of the Yamaha RX-V475. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR6015. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The SR6015 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the RX-V475. The SR6015 has a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Marantz SR6015.
Only the SR6015 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SR6015.