Sony STR-DH590 vs Denon AVR-S970H – that is a question.
The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the STR-DH590 has such a ratio W/Ohm - 145/6, while the AVR-S970H has a power of 90/8, 125/6. The value of total harmonic distortion is also different, and for the STR-DH590 it is 0.09%, but for the AVR-S970H it is 0.08%.
Competitive models use the same DAC. The Bi-amping function is implemented only in the Denon AVR-S970H. Both Sony STR-DH590 and Denon AVR-S970H can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. The AVR-S970H has access to the Spotify service.
Signaling over HDMI in standby mode can provide the STR-DH590 and the AVR-S970H. Video scaling is only possible with the AVR-S970H. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the STR-DH590 has 4/1, and the AVR-S970H has 6/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-S970H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. The STR-DH590 has support for the standard HDCP 2.2, compared to the AVR-S970H, which supports the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-S970H. There is an ECO mode in AVR-S970H. The Denon AVR-S970H can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the AVR-S970H. Only in the AVR-S970H realized a DTS:X surround technology.