The Denon AVR-S670H vs Sony STR-AZ1000ES comparison will be extremely helpful for people who want to get a great, powerful receiver with many functions.
The number of channels for receivers is different - 5.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the AVR-S670H has such a ratio W/Ohm - 75/8, 100/6, while the STR-AZ1000ES has a power of 100/8. The value of total harmonic distortion is also different, and for the AVR-S670H it is 0.08%, but for the STR-AZ1000ES it is 0.09%.
Competitive models use the same DAC. The Bi-amping function is implemented only in the Sony STR-AZ1000ES. Both Denon AVR-S670H and Sony STR-AZ1000ES can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay, AirPlay 2. Access to the Spotify service is on each of the competitors. Most popular streaming services are available for our models under consideration - Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud, Amazon Music, Amazon Music HD, MOOD:Mix.
The quality of 4K/120Hz 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 AVR-S670H and the STR-AZ1000ES. Each of the devices can increase the resolution of the incoming video signal. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the AVR-S670H has 6/1, and the STR-AZ1000ES has 6/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is supported by the AVR-S670H and the STR-AZ1000ES. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-S670H and STR-AZ1000ES support the standard HDCP 2.3. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-S670H. Voice control is performed using Amazon Alexa, Google Assistant, Siri, Josh.AI in both models. There is an ECO mode in either AV receiver. The Denon AVR-S670H and the Sony STR-AZ1000ES can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the STR-AZ1000ES. Only in the STR-AZ1000ES realized a DTS:X surround technology.