It’s strongly recommended to compare different receivers if you want to choose the best one: Onkyo TX-RZ710 vs Denon AVR-X8500H.
The number of channels for receivers is different - 7.2 versus 13.2, respectively, for devices. In terms of power, there are differences, the TX-RZ710 has such a ratio W/Ohm - 175/6 1KHz, while the AVR-X8500H has a power of 150/8 20Hz-20KHz, 250/6 1KHz. The value of total harmonic distortion is also different, and for the TX-RZ710 it is 0.08%, but for the AVR-X8500H it is 0.05%.
The manufacturer installed different DACs, the TX-RZ710 received the model AK4458 384 KHz/32-bit, but the AVR-X8500H is equipped with AK4490EQ 768 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-RZ710 and Denon AVR-X8500H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay versus AirPlay, AirPlay 2 respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Onkyo TX-RZ710 works with Deezer, TIDAL, Pandora, Tunein Radio, but the Denon AVR-X8500H works with Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
Support for the HDR function can only boast of each of the AV receivers. The quality of 4K 60p signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the TX-RZ710 and the AVR-X8500H. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the AVR-X8500H.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-RZ710 has 8/2, and the AVR-X8500H has 8/3. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-X8500H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-RZ710 and AVR-X8500H support the standard HDCP 2.2. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the TX-RZ710 where 2 Multi zones is provided, the AVR-X8500H works with 3 Multi zones. There is an ECO mode in either AV receiver. The Denon AVR-X8500H can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.
The Denon AVR-X8500H is better receiver in this comparison. Check Denon AVR-X8500H price