The Yamaha RX-V671 vs Yamaha RX-V583 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, there are differences, the RX-V671 has such a ratio W/Ohm - 90/8, 150/4, while the RX-V583 has a power of 80/8, 145/6. 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-V583 can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with RX-V583. Each of the receivers has a Bluetooth connector. The RX-V583 has access to the Spotify service. The number of available streaming services varies for receivers, the Yamaha RX-V671 works with Napster, but the Yamaha RX-V583 works with Deezer, TIDAL, Pandora. 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-V583. Each of the devices can increase the resolution of the incoming video signal. Operation with the Dolby Vision is only possible with the RX-V583.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V671 has 6/1, and the RX-V583 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V671 and the RX-V583. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The RX-V671 has support for the standard HDCP 2.2, compared to the RX-V583, which supports the standard HDCP 2.3. 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. There is an ECO mode in RX-V583. The Yamaha RX-V583 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V583. Only in the RX-V583 realized a DTS:X surround technology.