It’s strongly recommended to compare different receivers if you want to choose the best one: Marantz AV8805 vs Yamaha RX-A780.
The number of channels for receivers is different - 13.2 versus 7.2, respectively, for devices. The value of total harmonic distortion is also different, and for the AV8805 it is 0.08%, but for the RX-A780 it is 0.06%.
The manufacturer installed different DACs, the AV8805 received the model AK4490 384 KHz/32-bit, but the RX-A780 is equipped with Burr-Brown 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Marantz AV8805 and Yamaha RX-A780 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Marantz AV8805 works with Deezer, TIDAL, Pandora, SiriusXM, TuneIn Radio, but the Yamaha RX-A780 works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz. 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 AV8805 and the RX-A780. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the AV8805 has 8/3, and the RX-A780 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the AV8805 and the RX-A780. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The AV8805 has support for the standard HDCP 2.2, compared to the RX-A780, which supports the standard HDCP 2.3. Like most receivers, our models have a built-in phono stage for connecting a vinyl player.
Unlike the AV8805 where 3 Multi zones is provided, the RX-A780 works with 2 Multi zones. For voice control in the AV8805 is used Amazon Alexa, Google Assistant, Siri, Josh.AI, but in the RX-A780 is used Amazon Alexa, Google Assistant. There is an ECO mode in either AV receiver. The Marantz AV8805 and the Yamaha RX-A780 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.