It’s strongly recommended to compare different receivers if you want to choose the best one: Yamaha RX-V483BL vs Onkyo TX-NR676.
The number of channels for receivers is different - 5.1 versus 7.2, respectively, for devices. In terms of power, there are differences, the RX-V483BL has such a ratio W/Ohm - 80/6, while the TX-NR676 has a power of 165/6. The value of total harmonic distortion is also different, and for the RX-V483BL it is 0.09%, but for the TX-NR676 it is 0.08%.
The manufacturer installed different DACs, the RX-V483BL received the model Burr-Brown 192 KHz/24-bit, but the TX-NR676 is equipped with AK4458 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. The model TX-NR676 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. 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-V483BL works with Deezer, TIDAL, JUKE, Qobuz, but the Onkyo TX-NR676 works with Deezer, TIDAL, Pandora, TuneIn Radio.
The HDR10 function is present in each of the rivals. 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-V483BL and the TX-NR676. Video scaling is only possible with the RX-V483BL. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the RX-V483BL has 4/1, and the TX-NR676 has 7/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the RX-V483BL and the TX-NR676. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V483BL and TX-NR676 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-NR676.
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 either AV receiver. The Onkyo TX-NR676 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the TX-NR676. Only in the TX-NR676 realized a DTS:X surround technology.