Yamaha RX-V385BL vs Onkyo TX-RZ840 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V385BL has 5.1 versus 9.2 for Onkyo TX-RZ840. Regarding power, then RX-V385BL has such a W/Ohm ratio - 70/8, 145/6 when TX-RZ840 has a power of 180/6. The THD is 0.09% for the RX-V385BL but 0.08% for the TX-RZ840.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-V385BL and AKM 384 KHz/32-bit for the TX-RZ840. Only the TX-RZ840 supports Bi-amping feature. The Onkyo TX-RZ840 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Onkyo TX-RZ840 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the TX-RZ840 supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-V385BL can scale the input HDMI signal, unlike the TX-RZ840. The HDR standard - Dolby Vision is supported by these receivers.
The Yamaha RX-V385BL has 4/1 HDMI inputs/outputs versus 7/2 HDMI connectors of the Onkyo TX-RZ840. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The RX-V385BL supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the TX-RZ840. The TX-RZ840 has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the RX-V385BL. The setup assistant will help you configure Onkyo TX-RZ840.
Only the TX-RZ840 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-RZ840.