The Denon AVR-X1500H vs Marantz SR8015 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Denon AVR-X1500H has 7.2 versus 11.2 for Marantz SR8015. Regarding power, then AVR-X1500H has such a W/Ohm ratio - 80/8, 120/6 when SR8015 has a power of 140/8, 175/6. The THD is 0.08% for the AVR-X1500H but 0.05% for the SR8015. Both the AVR-X1500H and the SR8015 support Bi-amping. Each of the AV receivers 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, AirPlay 2. Spotify can be used on each receiver. The AVR-X1500H can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, and the SR8015 can receive a content from Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud.
Both AV receivers support HDR10 technology (High dynamic range). HDMI signal transmission in standby mode is implemented in each of the devices. The SR8015 can scale the input HDMI signal, unlike the AVR-X1500H. The HDR standard - Dolby Vision is supported by these receivers.
The Denon AVR-X1500H has 6/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Marantz SR8015. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR8015. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The AVR-X1500H supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the SR8015. These compared receivers have a built-in phono stage for connecting a vinyl player.
The AVR-X1500H supports 2 Multi-room zones, versus 3 for the SR8015. Supported voice control technologies are identical - Amazon Alexa, Google Assistant, Siri, Josh.AI. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVR-X1500H and SR8015 can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.