The Yamaha RX-A780 vs Denon AVR-X1600H comparison proves that these receivers have many common features.
Considered AV receivers have the same number of channels 7.2. Regarding power, then RX-A780 has such a W/Ohm ratio - 95/8, 160/4 when AVR-X1600H has a power of 80/8, 120/6. The THD is 0.06% for the RX-A780 but 0.08% for the AVR-X1600H.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-A780 and 384 KHz/32-bit for the AVR-X1600H. Both the RX-A780 and the AVR-X1600H 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 RX-A780 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz, and the AVR-X1600H can receive a content from Deezer, TIDAL, Pandora, Napster, TuneIn Radio, iHeart Radio, Mood Mix.
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. The RX-A780 can scale the input HDMI signal, unlike the AVR-X1600H. Dolby Vision technology found support only on the RX-A780.
The Yamaha RX-A780 has 7/2 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-X1600H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. 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 2.3. These compared receivers have a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. The RX-A780 supports voice control via Amazon Alexa, Google Assistant, and the AVR-X1600H - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-A780 and AVR-X1600H 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.