It makes sense comparing Sony STR-ZA810ES 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, Sony STR-ZA810ES has 7.2 versus 2.0 for Integra DTM-6. Regarding power, then STR-ZA810ES has such a W/Ohm ratio - 100/8 when DTM-6 has a power of 80/8. The THD is 0.09% for the STR-ZA810ES but 0.08% for the DTM-6.
Characteristics of digital to analog converter (DAC) are different, 384 KHz/32-bit for STR-ZA810ES and AK4438 384 KHz/32-bit for the DTM-6. Only the STR-ZA810ES supports Bi-amping feature. The Sony STR-ZA810ES 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. Spotify can be used on each receiver. Only the STR-ZA810ES provides HDMI signal transmission in standby mode. The STR-ZA810ES can scale the input HDMI signal, unlike the DTM-6. Dolby Vision technology found support only on the STR-ZA810ES. Only the STR-ZA810ES supports HDMI Audio Return Channel (ARC). The HDMI eARC is available only on the STR-ZA810ES. Of the two receivers in our comparison, HDMI CEC is present in only the STR-ZA810ES. The DTM-6 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. Supported voice control technologies are identical - Google Assistant. An ECO mode is not present in each of the AV receivers. The setup assistant will help you configure Sony STR-ZA810ES.
Only the STR-ZA810ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STR-ZA810ES.