It makes sense comparing Sony STRZA1100ES vs Denon AVR-S950H because they both are able to give some premium features.
Considered AV receivers have the same number of channels 7.2. Regarding power, then STRZA1100ES has such a W/Ohm ratio - 70/8, 90/6 when AVR-S950H has a power of 90/8, 125/6. The THD is 0.09% for the STRZA1100ES but 0.08% for the AVR-S950H. 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.
Only the Denon AVR-S950H can connect to the Internet via WI-FI. Only the AVR-S950H has Bluetooth support. Only the AVR-S950H supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). 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. Both rivals can scale the resolution of the incoming HDMI signal. The HDR standard - Dolby Vision is supported by these receivers.
The Sony STRZA1100ES has 5/2 HDMI inputs/outputs versus 8/2 HDMI connectors of the Denon AVR-S950H. The HDMI Audio Return Channel (ARC) feature supports both devices. HDMI eARC is available in each model. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The STRZA1100ES supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the AVR-S950H. The AVR-S950H has a built-in phono stage for connecting a vinyl player.
Each of the AV receivers from our review supports 2 Multi-room zones. An ECO mode is only available for the AVR-S950H. Both STRZA1100ES and AVR-S950H can be configured using the Setup assistant.
Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.