The Marantz SR5014 vs Onkyo TX-NR797 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Marantz SR5014 has 7.2 versus 9.2 for Onkyo TX-NR797. Regarding power, then SR5014 has such a W/Ohm ratio - 100/8, 180/6 when TX-NR797 has a power of 100/8, 220/6. The THD is the same and is 0.08%.
Competitors' digital to analog converter (DAC) is identical to AK4458 384 KHz/32-bit. Both the SR5014 and the TX-NR797 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 SR5014 can work with the audio stream from Deezer, TIDAL, Pandora, Napster, TuneIn Radio, iHeart Radio, and the TX-NR797 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio.
Both AV receivers support HDR10 technology (High dynamic range). 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Marantz SR5014 has 8/2 HDMI inputs/outputs versus 7/2 HDMI connectors of the Onkyo TX-NR797. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR5014. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The SR5014 supports the protection of digital content of the standard HDCP 2.3, versus HDCP 2.2 in the TX-NR797. These compared receivers have a built-in phono stage for connecting a vinyl player.
The SR5014 supports 2 Multi-room zones, versus 3 for the TX-NR797. The SR5014 supports voice control via Amazon Alexa, Google Assistant, Siri, Josh.AI, and the TX-NR797 - Google Assistant. An ECO mode is only available for the SR5014. Both SR5014 and TX-NR797 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.