It’s strongly recommended to compare different receivers if you want to choose the best one: Onkyo TX-NR555 vs Sony STR-DH130.
The number of channels for receivers is different - 7.2 versus 2.0, respectively, for devices. In terms of power, there are differences, the TX-NR555 has such a ratio W/Ohm - 130/6, while the STR-DH130 has a power of 100/8. The value of total harmonic distortion is also different, and for the TX-NR555 it is 0.08%, but for the STR-DH130 it is 0.09%.
The manufacturer installed different DACs, the TX-NR555 received the model Hi-Grade 384 KHz/32-bit, but the STR-DH130 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Onkyo TX-NR555. The model TX-NR555 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. There is a Bluetooth protocol at the TX-NR555. The TX-NR555 has access to the Spotify service.
Support for the HDR function can only boast of the TX-NR555. HDMI signal transmission in standby mode can provide only the TX-NR555. None of the devices can increase the resolution of the incoming video signal. Review participants do not have the Dolby Vision feature. HDMI Audio Return Channel is only available on Onkyo TX-NR555. HDMI eARC is not supported by the TX-NR555 and the STR-DH130. When comparing receivers, it becomes clear that only the Onkyo TX-NR555 has HDMI CEC. 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. None of these units can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the TX-NR555. Only in the TX-NR555 realized a DTS:X surround technology.