It makes sense comparing Denon AVR-S970H 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, Denon AVR-S970H has 7.2 versus 2.0 for Integra DTM-6. Regarding power, then AVR-S970H has such a W/Ohm ratio - 90/8, 125/6 when DTM-6 has a power of 80/8. The THD is the same and is 0.08%.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for AVR-S970H and AK4438 384 KHz/32-bit for the DTM-6. Only the AVR-S970H supports Bi-amping feature. The Denon AVR-S970H 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 Denon AVR-S970H has support for AirPlay, AirPlay 2, and its competitor in our comparison - AirPlay. Spotify can be used on each receiver. The AVR-S970H can work with the audio stream from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix, and the DTM-6 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. Only the AVR-S970H provides HDMI signal transmission in standby mode. The AVR-S970H can scale the input HDMI signal, unlike the DTM-6. Dolby Vision technology found support only on the AVR-S970H. Only the AVR-S970H supports HDMI Audio Return Channel (ARC). The HDMI eARC is available only on the AVR-S970H. Of the two receivers in our comparison, HDMI CEC is present in only the AVR-S970H. 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 AVR-S970H supports voice control via Amazon Alexa, Google Assistant, Siri, Josh.AI, and the DTM-6 - Google Assistant. An ECO mode is only available for the AVR-S970H. The setup assistant will help you configure Denon AVR-S970H.
Only the AVR-S970H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S970H.