An affordable AV receiver is always a good option to consider, so Sony STRZA5000ES vs Yamaha RX-V475 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Sony STRZA5000ES has 9.2 versus 5.1 for Yamaha RX-V475. Regarding power, then STRZA5000ES has such a W/Ohm ratio - 130/8 when RX-V475 has a power of 80/6. The THD is the same and is 0.09%. Only the STRZA5000ES 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. Only the RX-V475 has Bluetooth support. Only the RX-V475 supports Spotify. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The STRZA5000ES can scale the input HDMI signal, unlike the RX-V475. Dolby Vision technology found support only on the STRZA5000ES.
The Sony STRZA5000ES has 6/2 HDMI inputs/outputs versus 5/1 HDMI connectors of the Yamaha RX-V475. 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. Receivers do not have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the RX-V475. The setup assistant will help you configure Sony STRZA5000ES.
Only the STRZA5000ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STRZA5000ES.