What is better - Onkyo TX-RZ730 vs Sony STR-DN1040?
The number of channels for receivers is different - 9.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the TX-RZ730 has such a ratio W/Ohm - 175/6, while the STR-DN1040 has a power of 100/6. The value of total harmonic distortion is also different, and for the TX-RZ730 it is 0.08%, but for the STR-DN1040 it is 0.09%.
The manufacturer installed different DACs, the TX-RZ730 received the model AK4458 384 KHz/32-bit, but the STR-DN1040 is equipped with 96 KHz/24-bit. Each of the compared opponents supports Bi-amping. Both Onkyo TX-RZ730 and Sony STR-DN1040 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. The TX-RZ730 has access to the Spotify service. 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-RZ730 and the STR-DN1040. Video scaling is only possible with the STR-DN1040. Operation with the Dolby Vision is only possible with the TX-RZ730.
The number of HDMI inputs/outputs varies depending on the receiver, the TX-RZ730 has 7/2, and the STR-DN1040 has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the TX-RZ730 and the STR-DN1040. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. TX-RZ730 and STR-DN1040 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Onkyo TX-RZ730.
Unlike the TX-RZ730 where 3 Multi zones is provided, the STR-DN1040 works with 2 Multi zones. There is an ECO mode in neither AV receiver. The Onkyo TX-RZ730 and the Sony STR-DN1040 can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the TX-RZ730. Only in the TX-RZ730 realized a DTS:X surround technology.