The Yamaha RX-V671 vs Yamaha RX-V675 comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 7.1 versus 7.2, respectively, for devices. In terms of power, the receivers have the same performance - 90/8, 150/4. A common feature for devices is the same total harmonic distortion - 0.09%.
Competitive models use the same DAC. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V671 and Yamaha RX-V675 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless connection to the Internet via WIFI can not be performed on these receivers. Each of the receivers has a Bluetooth connector. The RX-V675 has access to the Spotify service. Most popular streaming services are available for our models under consideration - Napster.
Oddly enough, the support for the HDR function is not implemented in these units. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the RX-V671 and the RX-V675. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the RX-V675.
The number of HDMI inputs/outputs is the same - 6/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V671 and the RX-V675. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V671 and RX-V675 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-V671.
Ability to create 2 Multi zones inherent in both AV receivers. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V675. None of these units can be properly configured using the setup assistant.
Generally no support for a Dolby Atmos multichannel audio format. A DTS:X surround technology is not supported by devices from our comparison.