It makes sense comparing Yamaha R-N803BL vs Integra DTM-6 because they both are able to give some premium features.
Considered AV receivers have the same number of channels 2.0. Regarding power, then R-N803BL has such a W/Ohm ratio - 100/8, 160/4 when DTM-6 has a power of 80/8. The THD is 0.01% for the R-N803BL but 0.08% for the DTM-6.
Characteristics of digital to analog converter (DAC) are different, ESS SABRE (9006AS) 192 KHz/24-bit for R-N803BL and AK4438 384 KHz/32-bit for the DTM-6. None of the models support Bi-amping. The Yamaha R-N803BL 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. The R-N803BL can work with the audio stream from Deezer, TIDAL, Pandora, Sirius XM, and the DTM-6 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio.
HDR is not available on each model. Compared AV receivers are not able to transmit a 4K signal from the source to the TV or projector. HDMI signal transmission in standby mode is not supported by each device. Both competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is not supported by these receivers. The HDMI Audio Return Channel (ARC) does not support any one of these models. Unfortunately, HDMI eARC is not available on monitored devices. The models in our review do not support the HDMI CEC function. These compared receivers have a built-in phono stage for connecting a vinyl player. The R-N803BL supports voice control via Amazon Alexa, Google Assistant, and the DTM-6 - Google Assistant. An ECO mode is only available for the R-N803BL. Unfortunately, the setup assistant is not available in each of the models.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.