Having had an opportunity to test Yamaha RX-V675 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-V675 has such a ratio W/Ohm - 90/8, 150/4, 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-V675 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-V675. Both Yamaha RX-V675 and Yamaha R-N602BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with R-N602BL. 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-V675 works with Napster, but the Yamaha R-N602BL works with Deezer, TIDAL, Pandora, Napster, SiriusXM, Qobuz.
Oddly enough, the support for the HDR function is not implemented in these units. HDMI signal transmission in standby mode can provide only the RX-V675. Video scaling is only possible with the RX-V675. Operation with the Dolby Vision is only possible with the RX-V675. HDMI Audio Return Channel is only available on Yamaha RX-V675. HDMI eARC is not supported by the RX-V675 and the R-N602BL. When comparing receivers, it becomes clear that only the Yamaha RX-V675 has HDMI CEC. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha R-N602BL. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in either AV receiver. 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.