The Sony STR-DH590 vs Yamaha RX-V685BL 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 STR-DH590 has such a ratio W/Ohm - 145/6, while the RX-V685BL has a power of 90/8, 150/4. The value of total harmonic distortion is also different, and for the STR-DH590 it is 0.09%, but for the RX-V685BL it is 0.06%.
The manufacturer installed different DACs, the STR-DH590 received the model 192 KHz/32-bit, but the RX-V685BL is equipped with Burr-Brown 384 KHz/32-bit. The Bi-amping function is implemented only in the Yamaha RX-V685BL. Both Sony STR-DH590 and Yamaha RX-V685BL can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Each of the receivers has a Bluetooth connector. Spotify is not available for these receivers.
The HDR10 function is present in each of the rivals. 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 STR-DH590 and the RX-V685BL. Video scaling is only possible with the RX-V685BL. Each of the participants of the comparison has a Dolby Vision.
The number of HDMI inputs/outputs varies depending on the receiver, the STR-DH590 has 4/1, and the RX-V685BL has 5/2. HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the RX-V685BL. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. STR-DH590 and RX-V685BL support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Yamaha RX-V685BL. Voice control of the basic functions of the receiver is not realized in both models. There is an ECO mode in RX-V685BL. The Yamaha RX-V685BL can be properly configured using the setup assistant.
A Dolby Atmos multichannel audio format is available only in the RX-V685BL. Only in the RX-V685BL realized a DTS:X surround technology.