It makes sense comparing Denon AVR-S570BT vs Sony STR-AZ7000ES because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Denon AVR-S570BT has 5.2 versus 13.2 for Sony STR-AZ7000ES. Regarding power, then AVR-S570BT has such a W/Ohm ratio - 70/8, 90/6 when STR-AZ7000ES has a power of 150/8. The THD is 0.08% for the AVR-S570BT but 0.09% for the STR-AZ7000ES.
Competitors' digital to analog converter (DAC) is identical to 192 KHz/32-bit. Only the STR-AZ7000ES 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 Sony STR-AZ7000ES can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the STR-AZ7000ES supports Spotify.
Compared AV receivers retain the quality of 4K/120Hz 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 Denon AVR-S570BT has 4/1 HDMI inputs/outputs versus 6/2 HDMI connectors of the Sony STR-AZ7000ES. 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. Both models support the standard HDCP 2.3. Receivers do not have a built-in phono stage for connecting a vinyl player. It is also worth noting that the ECO mode is presented in each of the receivers. Both AVR-S570BT and STR-AZ7000ES can be configured using the Setup assistant.
Only the STR-AZ7000ES has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the STR-AZ7000ES.