It makes sense comparing Onkyo TX-RZ710 vs Denon AVR-X4400H because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Onkyo TX-RZ710 has 7.2 versus 11.2 for Denon AVR-X4400H. Regarding power, then TX-RZ710 has such a W/Ohm ratio - 175/6 1KHz when AVR-X4400H has a power of 125/8 20Hz-20KHz, 165/6 1KHz. The THD is 0.08% for the TX-RZ710 but 0.05% for the AVR-X4400H.
Competitors' digital to analog converter (DAC) is identical to AK4458 384 KHz/32-bit. Both the TX-RZ710 and the AVR-X4400H support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Onkyo TX-RZ710 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The TX-RZ710 can work with the audio stream from Deezer, TIDAL, Pandora, Tunein Radio, and the AVR-X4400H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.
These units support HDR technology. Compared AV receivers retain the quality of 4K 60p 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. Dolby Vision technology found support only on the AVR-X4400H.
The Onkyo TX-RZ710 has 8/2 HDMI inputs/outputs versus 8/3 HDMI connectors of the Denon AVR-X4400H. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-X4400H. 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. These compared receivers have a built-in phono stage for connecting a vinyl player.
The TX-RZ710 supports 2 Multi-room zones, versus 3 for the AVR-X4400H. 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-X4400H.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.
The Denon AVR-X4400H is better receiver in this comparison. Check Denon AVR-X4400H price