Having had an opportunity to test Onkyo TX-RZ710 vs Yamaha R-N602BL, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the TX-RZ710 has such a ratio W/Ohm - 175/6, while the R-N602BL has a power of 115/8, 105/4. The value of total harmonic distortion is also different, and for the TX-RZ710 it is 0.08%, but for the R-N602BL it is 0.01%.
The manufacturer installed different DACs, the TX-RZ710 received the model AK4458 384 KHz/32-bit, but the R-N602BL is equipped with Burr-Brown 192 KHz/24-bit. The Bi-amping function is implemented only in the Onkyo TX-RZ710. Both Onkyo TX-RZ710 and Yamaha R-N602BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. 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 Yamaha R-N602BL works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz.
Support for the HDR function can only boast of the TX-RZ710. HDMI signal transmission in standby mode can provide only the TX-RZ710. Video scaling is only possible with the TX-RZ710. Review participants do not have the Dolby Vision feature. HDMI Audio Return Channel is only available on Onkyo TX-RZ710. HDMI eARC is not supported by the TX-RZ710 and the R-N602BL. When comparing receivers, it becomes clear that only the Onkyo TX-RZ710 has HDMI CEC. Like most receivers, our models have a built-in phono stage for connecting a vinyl player. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in either AV receiver. None of these units can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the TX-RZ710. Only in the TX-RZ710 realized a DTS:X surround technology.