It makes sense comparing Onkyo TX-NR575 vs Yamaha RX-V485 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Onkyo TX-NR575 has 7.2 versus 5.1 for Yamaha RX-V485. Regarding power, then TX-NR575 has such a W/Ohm ratio - 135/6 1KHz when RX-V485 has a power of 80/8 20Hz-20KHz, 145/6 1KHz. The THD is 0.08% for the TX-NR575 but 0.09% for the RX-V485.
Characteristics of digital to analog converter (DAC) are different, 384 KHz/32-bit for TX-NR575 and Burr-Brown 384 KHz/32-bit for the RX-V485. Both the TX-NR575 and the RX-V485 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. 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 TX-NR575 can work with the audio stream from Deezer, TIDAL, Pandora, TuneIn Radio, and the RX-V485 can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM.
Both AV receivers support HDR10 technology (High dynamic range). Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-V485 can scale the input HDMI signal, unlike the TX-NR575. The HDR standard - Dolby Vision is supported by these receivers.
Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-V485. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The TX-NR575 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the RX-V485. The TX-NR575 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the RX-V485. Both TX-NR575 and RX-V485 can be configured using the Setup assistant.
Only the TX-NR575 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-NR575.
The Yamaha RX-V485 is better receiver in this comparison. Check Yamaha RX-V485 price