Onkyo TX-RZ3100 vs Yamaha RX-A1070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Onkyo TX-RZ3100 has 11.2 versus 7.2 for Yamaha RX-A1070BL. Regarding power, then TX-RZ3100 has such a W/Ohm ratio - 200/6 when RX-A1070BL has a power of 110/8. The THD is 0.04% for the TX-RZ3100 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, AK4490 384 KHz/32-bit for TX-RZ3100 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the TX-RZ3100 and the RX-A1070BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. 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 TX-RZ3100 can work with the audio stream from Deezer, TIDAL, TuneIn Radio, and the RX-A1070BL can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM. 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-A1070BL can scale the input HDMI signal, unlike the TX-RZ3100. The HDR standard - Dolby Vision is supported by these receivers.
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 TX-RZ3100 supports 3 Multi-room zones, versus 2 for the RX-A1070BL. An ECO mode is only available for the RX-A1070BL. The setup assistant will help you configure Yamaha RX-A1070BL.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.