Pioneer Elite SC-LX704 vs Yamaha RX-A1070BL comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Pioneer Elite SC-LX704 has 9.2 versus 7.2 for Yamaha RX-A1070BL. Regarding power, then Elite SC-LX704 has such a W/Ohm ratio - 135/8 when RX-A1070BL has a power of 110/8. The THD is 0.08% for the Elite SC-LX704 but 0.06% for the RX-A1070BL.
Characteristics of digital to analog converter (DAC) are different, ES9026PRO 384 KHz/32-bit for Elite SC-LX704 and ESS 192 KHz/24-bit for the RX-A1070BL. Both the Elite SC-LX704 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 Pioneer Elite SC-LX704 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The Elite SC-LX704 can work with the audio stream from Deezer, TIDAL, Pandora, 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Pioneer Elite SC-LX704 has 7/3 HDMI inputs/outputs versus 8/2 HDMI connectors of the Yamaha RX-A1070BL. 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. The Elite SC-LX704 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the RX-A1070BL. These compared receivers have a built-in phono stage for connecting a vinyl player.
The Elite SC-LX704 supports 3 Multi-room zones, versus 2 for the RX-A1070BL. Supported voice control technologies are identical - Amazon Alexa. An ECO mode is only available for the RX-A1070BL. Both Elite SC-LX704 and RX-A1070BL can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.