The Yamaha RX-A780 vs Marantz AV7703 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Yamaha RX-A780 has 7.2 versus 11.2 for Marantz AV7703. The THD is 0.06% for the RX-A780 but 0.08% for the AV7703.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-A780 and 192 KHz/32-bit for the AV7703. Both the RX-A780 and the AV7703 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay, AirPlay 2. Spotify can be used on each receiver. The RX-A780 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz, and the AV7703 can receive a content from Deezer, TIDAL, Pandora, Napster, iHeart Radio, SiriusXM, Sound Cloud. 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 Yamaha RX-A780 has 7/2 HDMI inputs/outputs versus 8/3 HDMI connectors of the Marantz AV7703. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-A780. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The RX-A780 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the AV7703. These compared receivers have a built-in phono stage for connecting a vinyl player.
The RX-A780 supports 2 Multi-room zones, versus 3 for the AV7703. The RX-A780 supports voice control via Amazon Alexa, Google Assistant, and the AV7703 - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-A780 and AV7703 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.
The Marantz AV7703 is better receiver in this comparison. Check Marantz AV7703 price