It’s strongly recommended to compare different receivers if you want to choose the best one: Onkyo TX-NR575 vs Yamaha AVENTAGE RX-A680.
AV receivers under review have the same number of channels. In terms of power, there are differences, the TX-NR575 has such a ratio W/Ohm - 135/6, while the AVENTAGE RX-A680 has a power of 115/8, 145/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-NR575 received the model 384 KHz/32-bit, but the AVENTAGE RX-A680 is equipped with Burr-Brown 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-NR575 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. The number of available streaming services varies for receivers, the Onkyo TX-NR575 works with Deezer, TIDAL, Pandora, TuneIn Radio, but the Yamaha AVENTAGE RX-A680 works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz.
The HDR10 function is present in each of the rivals. 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 TX-NR575 and the AVENTAGE RX-A680. Video scaling is only possible with the AVENTAGE RX-A680. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs is the same - 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVENTAGE RX-A680. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The TX-NR575 has support for the standard HDCP 2.2, compared to the AVENTAGE RX-A680, which supports the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-NR575.
Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in AVENTAGE RX-A680. The Onkyo TX-NR575 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.