It makes sense comparing Onkyo TX-SR393 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-SR393 has 5.2 versus 5.1 for Yamaha RX-V485. Regarding power, then TX-SR393 has such a W/Ohm ratio - 80/8, 155/6 when RX-V485 has a power of 80/8, 145/6. The THD is 0.08% for the TX-SR393 but 0.09% for the RX-V485.
Characteristics of digital to analog converter (DAC) are different, AKM 384 KHz/32-bit for TX-SR393 and Burr-Brown 384 KHz/32-bit for the RX-V485. Only the RX-V485 supports Bi-amping feature. The Yamaha RX-V485 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Only the Yamaha RX-V485 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the RX-V485 supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). 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.
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-SR393 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the RX-V485. Receivers do not have 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. The setup assistant will help you configure Yamaha RX-V485.
Only the TX-SR393 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-SR393.