It makes sense comparing Yamaha RX-A3070BL vs Onkyo TX-RZ710 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Yamaha RX-A3070BL has 9.2 versus 7.2 for Onkyo TX-RZ710. Regarding power, then RX-A3070BL has such a W/Ohm ratio - 165/8 1KHz when TX-RZ710 has a power of 175/6 1KHz. The THD is 0.06% for the RX-A3070BL but 0.08% for the TX-RZ710.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE PRO 192 KHz/24-bit for RX-A3070BL and AK4458 384 KHz/32-bit for the TX-RZ710. Both the RX-A3070BL and the TX-RZ710 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The RX-A3070BL can work with the audio stream from Deezer, TIDAL, Pandora, Sirius XM, Napster, and the TX-RZ710 can receive a content from Deezer, TIDAL, Pandora, Tunein Radio. 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 RX-A3070BL.
Each receiver has 8/2 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. 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 RX-A3070BL supports 3 Multi-room zones, versus 2 for the TX-RZ710. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Yamaha RX-A3070BL.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.
The Yamaha RX-A3070BL is better receiver in this comparison. Check Yamaha RX-A3070BL price