Yamaha RX-V671 vs Marantz SR7013 comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 9.2 for Marantz SR7013. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when SR7013 has a power of 125/8, 165/6. The THD is 0.09% for the RX-V671 but 0.05% for the SR7013.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V671 and 384 KHz/32-bit for the SR7013. Both the RX-V671 and the SR7013 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. Only the SR7013 supports Spotify. The RX-V671 can work with the audio stream from Napster, and the SR7013 can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud. 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. Dolby Vision technology found support only on the SR7013.
The Yamaha RX-V671 has 6/1 HDMI inputs/outputs versus 8/3 HDMI connectors of the Marantz SR7013. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the SR7013. 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 RX-V671 supports 2 Multi-room zones, versus 3 for the SR7013. An ECO mode is only available for the SR7013. The setup assistant will help you configure Marantz SR7013.
Only the SR7013 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SR7013.