Onkyo TX-RZ840 vs Marantz SR5010 – that is a question.
The number of channels for receivers is different - 9.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the TX-RZ840 has such a ratio W/Ohm - 180/6, while the SR5010 has a power of 100/8, 140/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-RZ840 received the model AKM 384 KHz/32-bit, but the SR5010 is equipped with 192 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-RZ840 and Marantz SR5010 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. The contenders have differences in the supported services from Apple - AirPlay, AirPlay 2 versus AirPlay respectively. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Onkyo TX-RZ840 works with Deezer, TIDAL, Pandora, TuneIn Radio, but the Marantz SR5010 works with Pandora, SiriusXM. The quality of 4K/60Hz 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-RZ840 and the SR5010. Video scaling is only possible with the SR5010. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-RZ840 has 7/2, and the SR5010 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the TX-RZ840. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-RZ840 and SR5010 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-RZ840.
Unlike the TX-RZ840 where 3 Multi zones is provided, the SR5010 works with 2 Multi zones. There is an ECO mode in SR5010. The Onkyo TX-RZ840 and the Marantz SR5010 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.