It’s strongly recommended to compare different receivers if you want to choose the best one: Onkyo TX-NR555 vs Pioneer VSX-832.
The number of channels for receivers is different - 7.2 versus 5.1, respectively, for devices. In terms of power, there are differences, the TX-NR555 has such a ratio W/Ohm - 130/6, while the VSX-832 has a power of 80/8, 165/6. A common feature for devices is the same total harmonic distortion - 0.08%.
The manufacturer installed different DACs, the TX-NR555 received the model Hi-Grade 384 KHz/32-bit, but the VSX-832 is equipped with AK4438 384 KHz/32-bit. The Bi-amping function is implemented only in the Onkyo TX-NR555. Both Onkyo TX-NR555 and Pioneer VSX-832 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 Onkyo TX-NR555 works with Deezer, TIDAL, Pandora, but the Pioneer VSX-832 works with Deezer, TIDAL, Pandora, TuneIn Radio. 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 TX-NR555 and the VSX-832. Video scaling is only possible with the VSX-832. Operation with the Dolby Vision is only possible with the VSX-832.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-NR555 has 6/1, and the VSX-832 has 4/1. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-NR555 and the VSX-832. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-NR555 and VSX-832 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-NR555. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in TX-NR555. The Pioneer VSX-832 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available both models. A DTS:X surround technology is supported by devices from our comparison.