An affordable AV receiver is always a good option to consider, so Onkyo TX-RZ830 vs Marantz SR6013 comparison definitely makes sense.
Considered AV receivers have the same number of channels 9.2. Regarding power, then TX-RZ830 has such a W/Ohm ratio - 180/6 1KHz when SR6013 has a power of 110/8 20Hz-20KHz, 150/6 1KHz. 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 TX-RZ830 and the SR6013 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
WI-FI modules have the same characteristics: 2.4/5GHz. Rivals from our review have Bluetooth support. The Onkyo TX-RZ830 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The TX-RZ830 can work with the audio stream from Deezer, TIDAL, TuneIn Radio, and the SR6013 can receive a content from Deezer, TIDAL, Pandora, TuneIn Radio. Compared AV receivers retain the quality of 4K 60p 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 SR6013 can scale the input HDMI signal, unlike the TX-RZ830. The HDR standard - Dolby Vision is supported by these receivers.
The Onkyo TX-RZ830 has 7/2 HDMI inputs/outputs versus 8/3 HDMI connectors of the Marantz SR6013. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR6013. 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. These compared receivers have a built-in phono stage for connecting a vinyl player.
The TX-RZ830 supports 3 Multi-room zones, versus 2 for the SR6013. The TX-RZ830 supports voice control via Google Assistant, and the SR6013 - Amazon Alexa, Google Assistant, Siri, Josh.AI. An ECO mode is only available for the SR6013. Both TX-RZ830 and SR6013 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.
The Marantz SR6013 is better receiver in this comparison. Check Marantz SR6013 price