Yamaha RX-V675 vs Sony STR-ZA810ES – that is a question.
AV receivers under review have the same number of channels. In terms of power, there are differences, the RX-V675 has such a ratio W/Ohm - 90/8, 150/4, while the STR-ZA810ES has a power of 100/8. A common feature for devices is the same total harmonic distortion - 0.09%.
The manufacturer installed different DACs, the RX-V675 received the model Burr-Brown 192 KHz/24-bit, but the STR-ZA810ES is equipped with 384 KHz/32-bit. Each of the compared opponents supports Bi-amping. Both Yamaha RX-V675 and Sony STR-ZA810ES can transmit an audio signal directly to the amplifier and bypasses any DSP processing.
Wireless Internet connection via WIFI is only possible with STR-ZA810ES. Each of the receivers has a Bluetooth connector. Both devices can work with such Apple Music services: AirPlay. Access to the Spotify service is on each of the competitors. 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 RX-V675 and the STR-ZA810ES. 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 RX-V675 has 6/1, and the STR-ZA810ES has 6/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the STR-ZA810ES. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. RX-V675 and STR-ZA810ES support the standard HDCP 2.2. Unlike most receivers, our models do not have a built-in phono stage for connecting a vinyl player.
Ability to create 2 Multi zones inherent in both AV receivers. There is an ECO mode in RX-V675. The Sony STR-ZA810ES can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the STR-ZA810ES. Only in the STR-ZA810ES realized a DTS:X surround technology.