An affordable AV receiver is always a good option to consider, so Denon AVR-S750H vs Yamaha RX-V475 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-S750H has 7.2 versus 5.1 for Yamaha RX-V475. Regarding power, then AVR-S750H has such a W/Ohm ratio - 75/8, 110/6 when RX-V475 has a power of 80/6. The THD is 0.08% for the AVR-S750H but 0.09% for the RX-V475.
Characteristics of digital to analog converter (DAC) are different, AKM 192 KHz/32-bit for AVR-S750H and Burr-Brown 192 KHz/24-bit for the RX-V475. None of the models support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Denon AVR-S750H can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Denon AVR-S750H 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. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-S750H.
The Denon AVR-S750H has 6/1 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-S750H. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The AVR-S750H supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the RX-V475. The AVR-S750H 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-S750H.
Only the AVR-S750H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S750H.