It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-A780 vs Yamaha AVENTAGE RX-A680.
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-A780 has such a ratio W/Ohm - 95/8 20Hz-20KHz, 160/4 1KHz, while the AVENTAGE RX-A680 has a power of 115/8 20Hz-20KHz, 145/6 1KHz. The value of total harmonic distortion is also different, and for the RX-A780 it is 0.06%, but for the AVENTAGE RX-A680 it is 0.08%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Yamaha RX-A780 and Yamaha AVENTAGE RX-A680 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
These units have the same Wi-Fi modules. 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. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz.
The HDR10 function is present in each of the rivals. The quality of 4K 60p 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 RX-A780 and the AVENTAGE RX-A680. 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 RX-A780 has 7/2, and the AVENTAGE RX-A680 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the RX-A780 and the AVENTAGE RX-A680. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-A780 and AVENTAGE RX-A680 support the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-A780.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control is performed using Amazon Alexa, Google Assistant in both models. There is an ECO mode in either AV receiver. The Yamaha RX-A780 and the Yamaha AVENTAGE RX-A680 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.
The Yamaha RX-A780 is better receiver in this comparison. Check Yamaha RX-A780 price