It makes sense comparing Sony STR-DH590 vs Yamaha RX-V485 because they both are able to give some premium features.
A significant difference between the receivers in the number of channels, Sony STR-DH590 has 5.2 versus 5.1 for Yamaha RX-V485. Regarding power, then STR-DH590 has such a W/Ohm ratio - 145/6 1KHz when RX-V485 has a power of 80/8 20Hz-20KHz, 145/6 1KHz. The THD is the same and is 0.09%.
Characteristics of digital to analog converter (DAC) are different, 192 KHz/32-bit for STR-DH590 and Burr-Brown 384 KHz/32-bit for the RX-V485. Only the RX-V485 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 Yamaha RX-V485 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the RX-V485 supports Spotify.
Both AV receivers support HDR10 technology (High dynamic range). Compared AV receivers retain the quality of 4K 60p signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. The RX-V485 can scale the input HDMI signal, unlike the STR-DH590. The HDR standard - Dolby Vision is supported by these receivers.
Each receiver has 4/1 HDMI inputs/outputs. The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the RX-V485. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The STR-DH590 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the RX-V485. Receivers do not have a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the RX-V485. The setup assistant will help you configure Yamaha RX-V485.
None of the rivals equipped with Dolby Atmos multichannel audio decoder. The receivers do not support the surround sound technology DTS:X.
The Yamaha RX-V485 is better receiver in this comparison. Check Yamaha RX-V485 price