It makes sense comparing Denon AVR-X8500HSP vs Sony STRZA5000ES because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Denon AVR-X8500HSP has 13.2 versus 9.2 for Sony STRZA5000ES. Regarding power, then AVR-X8500HSP has such a W/Ohm ratio - 150/8, 190/6 when STRZA5000ES has a power of 130/8. The THD is 0.05% for the AVR-X8500HSP but 0.09% for the STRZA5000ES. Both the AVR-X8500HSP and the STRZA5000ES support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Only the AVR-X8500HSP has Bluetooth support. Only the AVR-X8500HSP 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Denon AVR-X8500HSP has 8/3 HDMI inputs/outputs versus 6/2 HDMI connectors of the Sony STRZA5000ES. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-X8500HSP. 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-X8500HSP has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 3 Multi-room zones. An ECO mode is only available for the AVR-X8500HSP. Both AVR-X8500HSP and STRZA5000ES can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.