Having had an opportunity to test Yamaha RX-V583 vs Yamaha R-N602BL, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the RX-V583 has such a ratio W/Ohm - 80/8, 145/6, while the R-N602BL has a power of 115/8, 105/4. The value of total harmonic distortion is also different, and for the RX-V583 it is 0.09%, but for the R-N602BL it is 0.01%.
Competitive models use the same DAC. The Bi-amping function is implemented only in the Yamaha RX-V583. Both Yamaha RX-V583 and Yamaha R-N602BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet access via WIFI is possible on both units. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. The number of available streaming services varies for receivers, the Yamaha RX-V583 works with Deezer, TIDAL, Pandora, but the Yamaha R-N602BL works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz. HDMI signal transmission in standby mode can provide only the RX-V583. Video scaling is only possible with the RX-V583. Operation with the Dolby Vision is only possible with the RX-V583. HDMI Audio Return Channel is only available on Yamaha RX-V583. HDMI eARC is not supported by the RX-V583 and the R-N602BL. When comparing receivers, it becomes clear that only the Yamaha RX-V583 has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha R-N602BL. There is an ECO mode in either AV receiver. 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.