Denon AVR-X540BT vs Sony STRZA1100ES comparison definitely makes sense.
A significant difference between the receivers in the number of channels, Denon AVR-X540BT has 5.2 versus 7.2 for Sony STRZA1100ES. And as for power, it is the same and equal to 70/8, 90/6. The THD is 0.08% for the AVR-X540BT but 0.09% for the STRZA1100ES. Only the STRZA1100ES supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Both models do not have WI-FI support. Only the AVR-X540BT has Bluetooth support. Each of these units does not support Apple Music. Only the AVR-X540BT supports Spotify. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The STRZA1100ES can scale the input HDMI signal, unlike the AVR-X540BT. The HDR standard - Dolby Vision is supported by these receivers.
The Denon AVR-X540BT has 5/1 HDMI inputs/outputs versus 5/2 HDMI connectors of the Sony STRZA1100ES. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the STRZA1100ES. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. Receivers do not have a built-in phono stage for connecting a vinyl player. A voice control is not available. An ECO mode is only available for the AVR-X540BT. Both AVR-X540BT and STRZA1100ES can be configured using the Setup assistant.
Only the STRZA1100ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STRZA1100ES.