Yamaha RX-V677 vs Marantz SR6010 comparison definitely makes sense.
Considered AV receivers have the same number of channels 7.2. Regarding power, then RX-V677 has such a W/Ohm ratio - 90/8, 150/4 when SR6010 has a power of 110/8, 150/6. The THD is 0.09% for the RX-V677 but 0.05% for the SR6010.
Characteristics of digital to analog converter (DAC) are different, Burr-Brown 192 KHz/24-bit for RX-V677 and 192 KHz/32-bit for the SR6010. Both the RX-V677 and the SR6010 support Bi-amping. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models have the ability to connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The RX-V677 can work with the audio stream from Pandora, Napster, JUKE, and the SR6010 can receive a content from Pandora, SiriusXM.
Only the Marantz SR6010 has support for High dynamic range (HDR). 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 not supported by these receivers.
The Yamaha RX-V677 has 6/1 HDMI inputs/outputs versus 8/2 HDMI connectors of the Marantz SR6010. 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 SR6010 has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. A voice control is not available. It is also worth noting that the ECO mode is presented in each of the receivers. Both RX-V677 and SR6010 can be configured using the Setup assistant.
Only the SR6010 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the SR6010.