It makes sense comparing Denon AVR-X540BT 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-X540BT has 5.2 versus 2.0 for Integra DTM-6. Regarding power, then AVR-X540BT has such a W/Ohm ratio - 70/8, 90/6 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/24-bit for AVR-X540BT and AK4438 384 KHz/32-bit for the DTM-6. None of the models support Bi-amping. The Denon AVR-X540BT can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Spotify can be used on each receiver. The AVR-X540BT can work with the audio stream from TIDAL, Pandora, and the DTM-6 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio.
Only the Denon AVR-X540BT has support for High dynamic range (HDR). Only the AVR-X540BT provides HDMI signal transmission in standby mode. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-X540BT. Only the AVR-X540BT supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the AVR-X540BT. The DTM-6 has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-X540BT. The setup assistant will help you configure Denon AVR-X540BT.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.