Having had an opportunity to test Sony STRZA5000ES vs Denon AVR-X2500H, I’d like to share my impression here to facilitate your choice of a new AV receiver.
The number of channels for receivers is different - 9.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the STRZA5000ES has such a ratio W/Ohm - 130/8, while the AVR-X2500H has a power of 95/8, 125/6. The value of total harmonic distortion is also different, and for the STRZA5000ES it is 0.09%, but for the AVR-X2500H it is 0.08%. Each of the compared opponents supports Bi-amping. Both Sony STRZA5000ES and Denon AVR-X2500H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with AVR-X2500H. There is a Bluetooth protocol at the AVR-X2500H. The AVR-X2500H has access to the Spotify service.
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 STRZA5000ES and the AVR-X2500H. Video scaling is only possible with the STRZA5000ES. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the STRZA5000ES has 6/2, and the AVR-X2500H has 8/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is not supported by the STRZA5000ES and the AVR-X2500H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. STRZA5000ES and AVR-X2500H support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-X2500H.
Unlike the STRZA5000ES where 3 Multi zones is provided, the AVR-X2500H works with 2 Multi zones. There is an ECO mode in AVR-X2500H. The Sony STRZA5000ES and the Denon AVR-X2500H 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.