An affordable AV receiver is always a good option to consider, so Denon AVR-X4500H vs Yamaha RX-V475 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-X4500H has 9.2 versus 5.1 for Yamaha RX-V475. Regarding power, then AVR-X4500H has such a W/Ohm ratio - 125/8, 165/6 when RX-V475 has a power of 80/6. The THD is 0.05% for the AVR-X4500H but 0.09% for the RX-V475.
Characteristics of digital to analog converter (DAC) are different, AK4458 384 KHz/32-bit for AVR-X4500H and Burr-Brown 192 KHz/24-bit for the RX-V475. Only the AVR-X4500H supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-X4500H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Denon AVR-X4500H has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. 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 AVR-X4500H can scale the input HDMI signal, unlike the RX-V475. Dolby Vision technology found support only on the AVR-X4500H.
The Denon AVR-X4500H has 8/3 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 AVR-X4500H. 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 AVR-X4500H 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 Denon AVR-X4500H.
Only the AVR-X4500H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-X4500H.