It makes sense comparing Yamaha RX-A780 vs Integra DTM-6 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Yamaha RX-A780 has 7.2 versus 2.0 for Integra DTM-6. Regarding power, then RX-A780 has such a W/Ohm ratio - 95/8, 160/4 when DTM-6 has a power of 80/8. The THD is 0.06% for the RX-A780 but 0.08% for the DTM-6.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 384 KHz/32-bit for RX-A780 and AK4438 384 KHz/32-bit for the DTM-6. Only the RX-A780 supports Bi-amping feature. The Yamaha RX-A780 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Yamaha RX-A780 has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. 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 DTM-6 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. Only the RX-A780 provides HDMI signal transmission in standby mode. The RX-A780 can scale the input HDMI signal, unlike the DTM-6. Dolby Vision technology found support only on the RX-A780. Only the RX-A780 supports HDMI Audio Return Channel (ARC). The HDMI eARC is available only on the RX-A780. Of the two receivers in our comparison, HDMI CEC is present in only the RX-A780. 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 DTM-6 - Google Assistant. An ECO mode is only available for the RX-A780. The setup assistant will help you configure Yamaha RX-A780.
Only the RX-A780 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the RX-A780.