It makes sense comparing Sony STR-DN1080 vs Yamaha RX-V683BL because they both are able to give some premium features.
Considered AV receivers have the same number of channels 7.2. Regarding power, then STR-DN1080 has such a W/Ohm ratio - 120/6 when RX-V683BL has a power of 90/8, 150/4. The THD is 0.09% for the STR-DN1080 but 0.06% for the RX-V683BL.
Characteristics of digital to analog converter (DAC) are different, 96 KHz/24-bit for STR-DN1080 and Burr-Brown 192 KHz/24-bit for the RX-V683BL. Both the STR-DN1080 and the RX-V683BL support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The STR-DN1080 can work with the audio stream from TIDAL, Pandora, and the RX-V683BL can receive a content from Pandora, Sirius XM, Napster, JUKE, Qobuz. 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. The RX-V683BL can scale the input HDMI signal, unlike the STR-DN1080. Dolby Vision technology found support only on the RX-V683BL.
The Sony STR-DN1080 has 6/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Yamaha RX-V683BL. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the STR-DN1080. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The RX-V683BL 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-V683BL. Both STR-DN1080 and RX-V683BL can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.