The Denon HEOS AVR vs Marantz SR5013 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Denon HEOS AVR has 5.1 versus 7.2 for Marantz SR5013. Regarding power, then HEOS AVR has such a W/Ohm ratio - 50/8, 65/6 when SR5013 has a power of 100/8, 140/6. The THD is 0.05% for the HEOS AVR but 0.08% for the SR5013. Only the SR5013 supports Bi-amping feature. 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. Spotify can be used on each receiver. The HEOS AVR can work with the audio stream from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, and the SR5013 can receive a content from Deezer, Pandora, Napster, SiriusXM, TuneIn Radio. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The SR5013 can scale the input HDMI signal, unlike the HEOS AVR. Dolby Vision technology found support only on the SR5013.
The Denon HEOS AVR has 4/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Marantz SR5013. The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. The SR5013 has a built-in phono stage for connecting a vinyl player. The HEOS AVR supports voice control via Amazon Alexa, Google Assistant, and the SR5013 - Amazon Alexa, Google Assistant, Siri, Josh.AI. An ECO mode is only available for the SR5013. The setup assistant will help you configure Marantz SR5013.
Only the SR5013 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SR5013.