The Yamaha RX-V671 vs Marantz SR5014 comparison proves that these receivers have many common features.
A significant difference between the receivers in the number of channels, Yamaha RX-V671 has 7.1 versus 7.2 for Marantz SR5014. Regarding power, then RX-V671 has such a W/Ohm ratio - 90/8, 150/4 when SR5014 has a power of 100/8, 180/6. The THD is 0.09% for the RX-V671 but 0.08% for the SR5014.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V671 and AK4458 384 KHz/32-bit for the SR5014. Both the RX-V671 and the SR5014 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 SR5014 supports Spotify. The RX-V671 can work with the audio stream from Napster, and the SR5014 can receive a content from Deezer, TIDAL, Pandora, Napster, TuneIn Radio, iHeart 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. Both rivals can scale the resolution of the incoming HDMI signal. Dolby Vision technology found support only on the SR5014.
The Yamaha RX-V671 has 6/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Marantz SR5014. 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 RX-V671 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the SR5014. These compared receivers have a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the SR5014. The setup assistant will help you configure Marantz SR5014.
Only the SR5014 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SR5014.